131838526 has 4 divisors (see below), whose sum is σ = 197757792. Its totient is φ = 65919262.

The previous prime is 131838521. The next prime is 131838563. The reversal of 131838526 is 625838131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 625838131 = 19 ⋅32938849.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131838521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32959630 + ... + 32959633.

It is an arithmetic number, because the mean of its divisors is an integer number (49439448).

Almost surely, 2^131838526 is an apocalyptic number.

131838526 is a deficient number, since it is larger than the sum of its proper divisors (65919266).

131838526 is an equidigital number, since it uses as much as digits as its factorization.

131838526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65919265.

The product of its digits is 34560, while the sum is 37.

The square root of 131838526 is about 11482.0958888175. The cubic root of 131838526 is about 508.9566340622.

The spelling of 131838526 in words is "one hundred thirty-one million, eight hundred thirty-eight thousand, five hundred twenty-six".