88140902 has 4 divisors (see below), whose sum is σ = 132211356. Its totient is φ = 44070450.

The previous prime is 88140887. The next prime is 88140907. The reversal of 88140902 is 20904188.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88140907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22035224 + ... + 22035227.

It is an arithmetic number, because the mean of its divisors is an integer number (33052839).

Almost surely, 2^88140902 is an apocalyptic number.

88140902 is a deficient number, since it is larger than the sum of its proper divisors (44070454).

88140902 is a wasteful number, since it uses less digits than its factorization.

88140902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44070453.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 88140902 is about 9388.3386176682. The cubic root of 88140902 is about 445.0332879193.

The spelling of 88140902 in words is "eighty-eight million, one hundred forty thousand, nine hundred two".