131254453 has 4 divisors (see below), whose sum is σ = 143186688. Its totient is φ = 119322220.

The previous prime is 131254427. The next prime is 131254477. The reversal of 131254453 is 354452131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 354452131 = 11 ⋅32222921.

It is a cyclic number.

It is not a de Polignac number, because 131254453 - 2¹³ = 131246261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131251453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5966101 + ... + 5966122.

It is an arithmetic number, because the mean of its divisors is an integer number (35796672).

Almost surely, 2^131254453 is an apocalyptic number.

It is an amenable number.

131254453 is a deficient number, since it is larger than the sum of its proper divisors (11932235).

131254453 is a wasteful number, since it uses less digits than its factorization.

131254453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11932234.

The product of its digits is 7200, while the sum is 28.

The square root of 131254453 is about 11456.6335805943. The cubic root of 131254453 is about 508.2039256605.

It can be divided in two parts, 13125 and 4453, that added together give a triangular number (17578 = T₁₈₇).

The spelling of 131254453 in words is "one hundred thirty-one million, two hundred fifty-four thousand, four hundred fifty-three".