140187662685 has 80 divisors (see below), whose sum is σ = 294204379392. Its totient is φ = 62522668800.

The previous prime is 140187662647. The next prime is 140187662701. The reversal of 140187662685 is 586266781041.

140187662685 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 8 + 7 + 6 + 626 + 8 + 5 = 666.

It is not a de Polignac number, because 140187662685 - 2²⁴ = 140170885469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 486801 + ... + 719270.

Almost surely, 2^140187662685 is an apocalyptic number.

140187662685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140187662685 is an abundant number, since it is smaller than the sum of its proper divisors (154016716707).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140187662685 is a wasteful number, since it uses less digits than its factorization.

140187662685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206136 (or 1206127 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 140187662685 in words is "one hundred forty billion, one hundred eighty-seven million, six hundred sixty-two thousand, six hundred eighty-five".