138088486 has 8 divisors (see below), whose sum is σ = 208966104. Its totient is φ = 68433120.

The previous prime is 138088453. The next prime is 138088487. The reversal of 138088486 is 684880831.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138088487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305280 + ... + 305731.

It is an arithmetic number, because the mean of its divisors is an integer number (26120763).

Almost surely, 2^138088486 is an apocalyptic number.

138088486 is a deficient number, since it is larger than the sum of its proper divisors (70877618).

138088486 is a wasteful number, since it uses less digits than its factorization.

138088486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611126.

The product of its (nonzero) digits is 294912, while the sum is 46.

The square root of 138088486 is about 11751.1057352064. The cubic root of 138088486 is about 516.8753520270.

The spelling of 138088486 in words is "one hundred thirty-eight million, eighty-eight thousand, four hundred eighty-six".