140625288 has 32 divisors (see below), whose sum is σ = 390626400. Its totient is φ = 46875024.

The previous prime is 140625283. The next prime is 140625301. The reversal of 140625288 is 882526041.

140625288 is a `hidden beast` number, since 1 + 4 + 0 + 625 + 28 + 8 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (140625281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325306 + ... + 325737.

It is an arithmetic number, because the mean of its divisors is an integer number (12207075).

Almost surely, 2^140625288 is an apocalyptic number.

140625288 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

140625288 is an abundant number, since it is smaller than the sum of its proper divisors (250001112).

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

140625288 is a wasteful number, since it uses less digits than its factorization.

140625288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651058 (or 651048 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 140625288 is about 11858.5533687714. The cubic root of 140625288 is about 520.0213107637.

The spelling of 140625288 in words is "one hundred forty million, six hundred twenty-five thousand, two hundred eighty-eight".