131055638 has 16 divisors (see below), whose sum is σ = 228476160. Its totient is φ = 55214376.

The previous prime is 131055623. The next prime is 131055641. The reversal of 131055638 is 836550131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78506 + ... + 80157.

It is an arithmetic number, because the mean of its divisors is an integer number (14279760).

Almost surely, 2^131055638 is an apocalyptic number.

131055638 is a deficient number, since it is larger than the sum of its proper divisors (97420522).

131055638 is a wasteful number, since it uses less digits than its factorization.

131055638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158731.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 131055638 is about 11447.9534415545. The cubic root of 131055638 is about 507.9471988231.

The spelling of 131055638 in words is "one hundred thirty-one million, fifty-five thousand, six hundred thirty-eight".