140157273987 has 12 divisors (see below), whose sum is σ = 203088041520. Its totient is φ = 93143423088.

The previous prime is 140157273953. The next prime is 140157274007. The reversal of 140157273987 is 789372751041.

140157273987 is a `hidden beast` number, since 140 + 157 + 273 + 9 + 87 = 666.

It is not a de Polignac number, because 140157273987 - 2⁷ = 140157273859 is a prime.

It is a super-2 number, since 2×140157273987² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (140157273287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24560287 + ... + 24565992.

It is an arithmetic number, because the mean of its divisors is an integer number (16924003460).

Almost surely, 2^140157273987 is an apocalyptic number.

140157273987 is a deficient number, since it is larger than the sum of its proper divisors (62930767533).

140157273987 is a wasteful number, since it uses less digits than its factorization.

140157273987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49126602 (or 49126599 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

The spelling of 140157273987 in words is "one hundred forty billion, one hundred fifty-seven million, two hundred seventy-three thousand, nine hundred eighty-seven".