140964659 has 4 divisors (see below), whose sum is σ = 153779640. Its totient is φ = 128149680.

The previous prime is 140964647. The next prime is 140964673. The reversal of 140964659 is 956469041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140964659 - 2²⁴ = 124187443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140964619) 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, 6407474 + ... + 6407495.

It is an arithmetic number, because the mean of its divisors is an integer number (38444910).

Almost surely, 2^140964659 is an apocalyptic number.

140964659 is a deficient number, since it is larger than the sum of its proper divisors (12814981).

140964659 is a wasteful number, since it uses less digits than its factorization.

140964659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12814980.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 140964659 is about 11872.8538692262. The cubic root of 140964659 is about 520.4392971688.

The spelling of 140964659 in words is "one hundred forty million, nine hundred sixty-four thousand, six hundred fifty-nine".