131465426 has 4 divisors (see below), whose sum is σ = 197198142. Its totient is φ = 65732712.

The previous prime is 131465423. The next prime is 131465459. The reversal of 131465426 is 624564131.

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., 74839801 + 56625625 = 8651^2 + 7525^2 .

It is a super-2 number, since 2×131465426² = 34566316466722952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131465392 and 131465401.

It is not an unprimeable number, because it can be changed into a prime (131465423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32866355 + ... + 32866358.

Almost surely, 2^131465426 is an apocalyptic number.

131465426 is a deficient number, since it is larger than the sum of its proper divisors (65732716).

131465426 is an equidigital number, since it uses as much as digits as its factorization.

131465426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65732715.

The product of its digits is 17280, while the sum is 32.

The square root of 131465426 is about 11465.8373440408. The cubic root of 131465426 is about 508.4760685860.

The spelling of 131465426 in words is "one hundred thirty-one million, four hundred sixty-five thousand, four hundred twenty-six".