131154156 has 72 divisors (see below), whose sum is σ = 382715424. Its totient is φ = 37094400.

The previous prime is 131154151. The next prime is 131154157. The reversal of 131154156 is 651451131.

It is not an unprimeable number, because it can be changed into a prime (131154151) 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 23 ways as a sum of consecutive naturals, for example, 22876 + ... + 28028.

It is an arithmetic number, because the mean of its divisors is an integer number (5315492).

Almost surely, 2^131154156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131154156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191357712).

131154156 is an abundant number, since it is smaller than the sum of its proper divisors (251561268).

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

131154156 is a wasteful number, since it uses less digits than its factorization.

131154156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5271 (or 5266 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 131154156 is about 11452.2554983724. The cubic root of 131154156 is about 508.0744460718.

It can be divided in two parts, 13115 and 4156, that added together give a palindrome (17271).

The spelling of 131154156 in words is "one hundred thirty-one million, one hundred fifty-four thousand, one hundred fifty-six".