131265254 has 4 divisors (see below), whose sum is σ = 196897884. Its totient is φ = 65632626.

The previous prime is 131265241. The next prime is 131265263. The reversal of 131265254 is 452562131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 452562131 = 7 ⋅64651733.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32816312 + ... + 32816315.

It is an arithmetic number, because the mean of its divisors is an integer number (49224471).

Almost surely, 2^131265254 is an apocalyptic number.

131265254 is a deficient number, since it is larger than the sum of its proper divisors (65632630).

131265254 is an equidigital number, since it uses as much as digits as its factorization.

131265254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65632629.

The product of its digits is 7200, while the sum is 29.

The square root of 131265254 is about 11457.1049571870. The cubic root of 131265254 is about 508.2178654035.

It can be divided in two parts, 1312 and 65254, that added together give a palindrome (66566).

The spelling of 131265254 in words is "one hundred thirty-one million, two hundred sixty-five thousand, two hundred fifty-four".