140566725 has 96 divisors (see below), whose sum is σ = 282898560. Its totient is φ = 68014080.

The previous prime is 140566711. The next prime is 140566781. The reversal of 140566725 is 527665041.

It is a happy number.

It is not a de Polignac number, because 140566725 - 2⁴ = 140566709 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 140566725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 728229 + ... + 728421.

It is an arithmetic number, because the mean of its divisors is an integer number (2946860).

Almost surely, 2^140566725 is an apocalyptic number.

140566725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140566725 is an abundant number, since it is smaller than the sum of its proper divisors (142331835).

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

140566725 is a wasteful number, since it uses less digits than its factorization.

140566725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 140566725 is about 11856.0838812822. The cubic root of 140566725 is about 519.9491136102.

The spelling of 140566725 in words is "one hundred forty million, five hundred sixty-six thousand, seven hundred twenty-five".