140087157 has 32 divisors (see below), whose sum is σ = 228614400. Its totient is φ = 74477568.

The previous prime is 140087153. The next prime is 140087173. The reversal of 140087157 is 751780041.

It is not a de Polignac number, because 140087157 - 2² = 140087153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140087153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29569 + ... + 33977.

It is an arithmetic number, because the mean of its divisors is an integer number (7144200).

Almost surely, 2^140087157 is an apocalyptic number.

140087157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

140087157 is a deficient number, since it is larger than the sum of its proper divisors (88527243).

140087157 is a wasteful number, since it uses less digits than its factorization.

140087157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4525.

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 140087157 is about 11835.8420486250. The cubic root of 140087157 is about 519.3571407391.

The spelling of 140087157 in words is "one hundred forty million, eighty-seven thousand, one hundred fifty-seven".