131380526 has 4 divisors (see below), whose sum is σ = 197070792. Its totient is φ = 65690262.

The previous prime is 131380507. The next prime is 131380537. The reversal of 131380526 is 625083131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 625083131 = 43 ⋅14536817.

It is a super-2 number, since 2×131380526² = 34521685224073352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32845130 + ... + 32845133.

It is an arithmetic number, because the mean of its divisors is an integer number (49267698).

Almost surely, 2^131380526 is an apocalyptic number.

131380526 is a deficient number, since it is larger than the sum of its proper divisors (65690266).

131380526 is an equidigital number, since it uses as much as digits as its factorization.

131380526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65690265.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 131380526 is about 11462.1344434621. The cubic root of 131380526 is about 508.3665875465.

The spelling of 131380526 in words is "one hundred thirty-one million, three hundred eighty thousand, five hundred twenty-six".