140815125 has 64 divisors (see below), whose sum is σ = 284094720. Its totient is φ = 68256000.

The previous prime is 140815079. The next prime is 140815139. The reversal of 140815125 is 521518041.

140815125 is a `hidden beast` number, since 140 + 8 + 1 + 512 + 5 = 666.

It is not a de Polignac number, because 140815125 - 2¹⁷ = 140684053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35229 + ... + 39021.

It is an arithmetic number, because the mean of its divisors is an integer number (4438980).

Almost surely, 2^140815125 is an apocalyptic number.

140815125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140815125 is an abundant number, since it is smaller than the sum of its proper divisors (143279595).

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

140815125 is a wasteful number, since it uses less digits than its factorization.

140815125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3828 (or 3812 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 140815125 is about 11866.5548917957. The cubic root of 140815125 is about 520.2552063365.

The spelling of 140815125 in words is "one hundred forty million, eight hundred fifteen thousand, one hundred twenty-five".