1351040837 has 4 divisors (see below), whose sum is σ = 1351333536. Its totient is φ = 1350748140.

The previous prime is 1351040797. The next prime is 1351040839. The reversal of 1351040837 is 7380401531.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7380401531 = 163 ⋅45278537.

It is a cyclic number.

It is not a de Polignac number, because 1351040837 - 2¹⁰ = 1351039813 is a prime.

It is a super-2 number, since 2×1351040837² = 3650622686483321138, which contains 22 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 (1351040839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139313 + ... + 148694.

It is an arithmetic number, because the mean of its divisors is an integer number (337833384).

Almost surely, 2^1351040837 is an apocalyptic number.

It is an amenable number.

1351040837 is a deficient number, since it is larger than the sum of its proper divisors (292699).

1351040837 is an equidigital number, since it uses as much as digits as its factorization.

1351040837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292698.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1351040837 is about 36756.5074102532. The cubic root of 1351040837 is about 1105.4934119082.

The spelling of 1351040837 in words is "one billion, three hundred fifty-one million, forty thousand, eight hundred thirty-seven".