1355940941 has 4 divisors (see below), whose sum is σ = 1356352800. Its totient is φ = 1355529084.

The previous prime is 1355940917. The next prime is 1355940967. The reversal of 1355940941 is 1490495531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1355940941 - 2⁶ = 1355940877 is a prime.

It is a super-4 number, since 4×1355940941⁴ (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355940991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200951 + ... + 207588.

It is an arithmetic number, because the mean of its divisors is an integer number (339088200).

Almost surely, 2^1355940941 is an apocalyptic number.

It is an amenable number.

1355940941 is a deficient number, since it is larger than the sum of its proper divisors (411859).

1355940941 is an equidigital number, since it uses as much as digits as its factorization.

1355940941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411858.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 1355940941 is about 36823.1033591684. The cubic root of 1355940941 is about 1106.8283078578.

The spelling of 1355940941 in words is "one billion, three hundred fifty-five million, nine hundred forty thousand, nine hundred forty-one".