131854522 has 4 divisors (see below), whose sum is σ = 197781786. Its totient is φ = 65927260.

The previous prime is 131854519. The next prime is 131854549. The reversal of 131854522 is 225458131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 115541001 + 16313521 = 10749^2 + 4039^2 .

It is a super-2 number, since 2×131854522² = 34771229943696968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32963629 + ... + 32963632.

Almost surely, 2^131854522 is an apocalyptic number.

131854522 is a deficient number, since it is larger than the sum of its proper divisors (65927264).

131854522 is an equidigital number, since it uses as much as digits as its factorization.

131854522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65927263.

The product of its digits is 9600, while the sum is 31.

The square root of 131854522 is about 11482.7924304152. The cubic root of 131854522 is about 508.9772171733.

The spelling of 131854522 in words is "one hundred thirty-one million, eight hundred fifty-four thousand, five hundred twenty-two".