131455130 has 8 divisors (see below), whose sum is σ = 236619252. Its totient is φ = 52582048.

The previous prime is 131455123. The next prime is 131455133. The reversal of 131455130 is 31554131.

It can be written as a sum of positive squares in 2 ways, for example, as 126990361 + 4464769 = 11269^2 + 2113^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 131455096 and 131455105.

It is not an unprimeable number, because it can be changed into a prime (131455133) 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, 6572747 + ... + 6572766.

Almost surely, 2^131455130 is an apocalyptic number.

131455130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131455130 is a deficient number, since it is larger than the sum of its proper divisors (105164122).

131455130 is a wasteful number, since it uses less digits than its factorization.

131455130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13145520.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 131455130 is about 11465.3883492885. The cubic root of 131455130 is about 508.4627941041.

Subtracting from 131455130 its reverse (31554131), we obtain a palindrome (99900999).

The spelling of 131455130 in words is "one hundred thirty-one million, four hundred fifty-five thousand, one hundred thirty".