140956087 has 8 divisors (see below), whose sum is σ = 144214560. Its totient is φ = 137733120.

The previous prime is 140956069. The next prime is 140956093. The reversal of 140956087 is 780659041.

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 140956087 - 2²⁷ = 6738359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140956187) 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, 762 + ... + 16807.

It is an arithmetic number, because the mean of its divisors is an integer number (18026820).

Almost surely, 2^140956087 is an apocalyptic number.

140956087 is a deficient number, since it is larger than the sum of its proper divisors (3258473).

140956087 is a wasteful number, since it uses less digits than its factorization.

140956087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17753.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 140956087 is about 11872.4928721815. The cubic root of 140956087 is about 520.4287477253.

The spelling of 140956087 in words is "one hundred forty million, nine hundred fifty-six thousand, eighty-seven".