88131394 has 16 divisors (see below), whose sum is σ = 142906680. Its totient is φ = 40521600.

The previous prime is 88131391. The next prime is 88131403. The reversal of 88131394 is 49313188.

It can be written as a sum of positive squares in 4 ways, for example, as 31505769 + 56625625 = 5613^2 + 7525^2 .

It is not an unprimeable number, because it can be changed into a prime (88131391) 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, 694 + ... + 13294.

Almost surely, 2^88131394 is an apocalyptic number.

88131394 is a deficient number, since it is larger than the sum of its proper divisors (54775286).

88131394 is a wasteful number, since it uses less digits than its factorization.

88131394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12885.

The product of its digits is 20736, while the sum is 37.

The square root of 88131394 is about 9387.8322311383. The cubic root of 88131394 is about 445.0172850248.

The spelling of 88131394 in words is "eighty-eight million, one hundred thirty-one thousand, three hundred ninety-four".