88156138 has 8 divisors (see below), whose sum is σ = 151124832. Its totient is φ = 37781196.

The previous prime is 88156111. The next prime is 88156139. The reversal of 88156138 is 83165188.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 88156138.

It is not an unprimeable number, because it can be changed into a prime (88156139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3148420 + ... + 3148447.

It is an arithmetic number, because the mean of its divisors is an integer number (18890604).

Almost surely, 2^88156138 is an apocalyptic number.

88156138 is a deficient number, since it is larger than the sum of its proper divisors (62968694).

88156138 is a wasteful number, since it uses less digits than its factorization.

88156138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6296876.

The product of its digits is 46080, while the sum is 40.

The square root of 88156138 is about 9389.1500147777. The cubic root of 88156138 is about 445.0589291989.

The spelling of 88156138 in words is "eighty-eight million, one hundred fifty-six thousand, one hundred thirty-eight".