140664413 has 8 divisors (see below), whose sum is σ = 145764480. Its totient is φ = 135581040.

The previous prime is 140664371. The next prime is 140664421. The reversal of 140664413 is 314466041.

140664413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140664413 - 2⁸ = 140664157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140664463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14456 + ... + 22142.

It is an arithmetic number, because the mean of its divisors is an integer number (18220560).

Almost surely, 2^140664413 is an apocalyptic number.

It is an amenable number.

140664413 is a deficient number, since it is larger than the sum of its proper divisors (5100067).

140664413 is an equidigital number, since it uses as much as digits as its factorization.

140664413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8347.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 140664413 is about 11860.2029072019. The cubic root of 140664413 is about 520.0695333546.

The spelling of 140664413 in words is "one hundred forty million, six hundred sixty-four thousand, four hundred thirteen".