131450154 has 64 divisors (see below), whose sum is σ = 307722240. Its totient is φ = 36990720.

The previous prime is 131450147. The next prime is 131450167. The reversal of 131450154 is 451054131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87897 + ... + 89379.

It is an arithmetic number, because the mean of its divisors is an integer number (4808160).

Almost surely, 2^131450154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131450154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153861120).

131450154 is an abundant number, since it is smaller than the sum of its proper divisors (176272086).

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

131450154 is a wasteful number, since it uses less digits than its factorization.

131450154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 131450154 is about 11465.1713462992. The cubic root of 131450154 is about 508.4563783717.

The spelling of 131450154 in words is "one hundred thirty-one million, four hundred fifty thousand, one hundred fifty-four".