131274553 has 8 divisors (see below), whose sum is σ = 142641920. Its totient is φ = 120353040.

The previous prime is 131274551. The next prime is 131274581. The reversal of 131274553 is 355472131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131274553 - 2¹ = 131274551 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131274551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110850 + ... + 112027.

It is an arithmetic number, because the mean of its divisors is an integer number (17830240).

Almost surely, 2^131274553 is an apocalyptic number.

It is an amenable number.

131274553 is a deficient number, since it is larger than the sum of its proper divisors (11367367).

131274553 is a wasteful number, since it uses less digits than its factorization.

131274553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222927.

The product of its digits is 12600, while the sum is 31.

The square root of 131274553 is about 11457.5107680508. The cubic root of 131274553 is about 508.2298660566.

The spelling of 131274553 in words is "one hundred thirty-one million, two hundred seventy-four thousand, five hundred fifty-three".