1131498453 has 4 divisors (see below), whose sum is σ = 1508664608. Its totient is φ = 754332300.

The previous prime is 1131498451. The next prime is 1131498457. The reversal of 1131498453 is 3548941311.

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.

It is not a de Polignac number, because 1131498453 - 2¹ = 1131498451 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 (1131498451) 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, 188583073 + ... + 188583078.

It is an arithmetic number, because the mean of its divisors is an integer number (377166152).

Almost surely, 2^1131498453 is an apocalyptic number.

It is an amenable number.

1131498453 is a deficient number, since it is larger than the sum of its proper divisors (377166155).

1131498453 is an equidigital number, since it uses as much as digits as its factorization.

1131498453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377166154.

The product of its digits is 51840, while the sum is 39.

The square root of 1131498453 is about 33637.7533881203. The cubic root of 1131498453 is about 1042.0406349318.

The spelling of 1131498453 in words is "one billion, one hundred thirty-one million, four hundred ninety-eight thousand, four hundred fifty-three".