131352554 has 4 divisors (see below), whose sum is σ = 197028834. Its totient is φ = 65676276.

The previous prime is 131352547. The next prime is 131352577. The reversal of 131352554 is 455253131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 455253131 = 997 ⋅456623.

It can be written as a sum of positive squares in only one way, i.e., 128029225 + 3323329 = 11315^2 + 1823^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32838137 + ... + 32838140.

Almost surely, 2^131352554 is an apocalyptic number.

131352554 is a deficient number, since it is larger than the sum of its proper divisors (65676280).

131352554 is an equidigital number, since it uses as much as digits as its factorization.

131352554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65676279.

The product of its digits is 9000, while the sum is 29.

The square root of 131352554 is about 11460.9141869224. The cubic root of 131352554 is about 508.3305065028.

The spelling of 131352554 in words is "one hundred thirty-one million, three hundred fifty-two thousand, five hundred fifty-four".