131616654 has 16 divisors (see below), whose sum is σ = 283482192. Its totient is φ = 40497408.

The previous prime is 131616647. The next prime is 131616673. The reversal of 131616654 is 456616131.

131616654 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×131616654² = 34645887220311432, which contains 22 as substring.

It is a Curzon number.

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, 843619 + ... + 843774.

It is an arithmetic number, because the mean of its divisors is an integer number (17717637).

Almost surely, 2^131616654 is an apocalyptic number.

131616654 is an abundant number, since it is smaller than the sum of its proper divisors (151865538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131616654 is a wasteful number, since it uses less digits than its factorization.

131616654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687411.

The product of its digits is 12960, while the sum is 33.

The square root of 131616654 is about 11472.4301697592. The cubic root of 131616654 is about 508.6709648286.

The spelling of 131616654 in words is "one hundred thirty-one million, six hundred sixteen thousand, six hundred fifty-four".