140557508100 has 81 divisors (see below), whose sum is σ = 440604957247. Its totient is φ = 37479002880.

The previous prime is 140557508093. The next prime is 140557508129. The reversal of 140557508100 is 1805755041.

The square root of 140557508100 is 374910.

It is a perfect power (a square), and thus also a powerful number.

140557508100 is a `hidden beast` number, since 1 + 4 + 0 + 5 + 575 + 0 + 81 + 0 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1619418564 + 138938089536 = 40242^2 + 372744^2 .

It is a super-2 number, since 2×140557508100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11241052 + ... + 11253548.

Almost surely, 2^140557508100 is an apocalyptic number.

140557508100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140557508100 is the 374910-th square number.

It is an amenable number.

140557508100 is an abundant number, since it is smaller than the sum of its proper divisors (300047449147).

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

140557508100 is an equidigital number, since it uses as much as digits as its factorization.

140557508100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25014 (or 12507 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 36.

Multiplying 140557508100 by its sum of digits (36), we get a square (5060070291600 = 2249460²).

140557508100 divided by its sum of digits (36) gives a square (3904375225 = 62485²).

The spelling of 140557508100 in words is "one hundred forty billion, five hundred fifty-seven million, five hundred eight thousand, one hundred".