131520152 has 8 divisors (see below), whose sum is σ = 246600300. Its totient is φ = 65760072.

The previous prime is 131520149. The next prime is 131520157. The reversal of 131520152 is 251025131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131520157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8220002 + ... + 8220017.

Almost surely, 2^131520152 is an apocalyptic number.

It is an amenable number.

131520152 is a deficient number, since it is larger than the sum of its proper divisors (115080148).

131520152 is a wasteful number, since it uses less digits than its factorization.

131520152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16440025 (or 16440021 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 131520152 is about 11468.2235764743. The cubic root of 131520152 is about 508.5466143862.

Adding to 131520152 its reverse (251025131), we get a palindrome (382545283).

The spelling of 131520152 in words is "one hundred thirty-one million, five hundred twenty thousand, one hundred fifty-two".