131513453 has 8 divisors (see below), whose sum is σ = 133383168. Its totient is φ = 129657024.

The previous prime is 131513449. The next prime is 131513477. The reversal of 131513453 is 354315131.

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 131513453 - 2² = 131513449 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 (131513423) 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, 17525 + ... + 23877.

It is an arithmetic number, because the mean of its divisors is an integer number (16672896).

Almost surely, 2^131513453 is an apocalyptic number.

It is an amenable number.

131513453 is a deficient number, since it is larger than the sum of its proper divisors (1869715).

131513453 is a wasteful number, since it uses less digits than its factorization.

131513453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6643.

The product of its digits is 2700, while the sum is 26.

The square root of 131513453 is about 11467.9315048530. The cubic root of 131513453 is about 508.5379799385.

Adding to 131513453 its reverse (354315131), we get a palindrome (485828584).

The spelling of 131513453 in words is "one hundred thirty-one million, five hundred thirteen thousand, four hundred fifty-three".