136031453 has 4 divisors (see below), whose sum is σ = 141945888. Its totient is φ = 130117020.

The previous prime is 136031449. The next prime is 136031459. The reversal of 136031453 is 354130631.

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 a cyclic number.

It is not a de Polignac number, because 136031453 - 2² = 136031449 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 (136031459) 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, 2957183 + ... + 2957228.

It is an arithmetic number, because the mean of its divisors is an integer number (35486472).

Almost surely, 2^136031453 is an apocalyptic number.

It is an amenable number.

136031453 is a deficient number, since it is larger than the sum of its proper divisors (5914435).

136031453 is an equidigital number, since it uses as much as digits as its factorization.

136031453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5914434.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 136031453 is about 11663.2522479795. The cubic root of 136031453 is about 514.2959594483.

The spelling of 136031453 in words is "one hundred thirty-six million, thirty-one thousand, four hundred fifty-three".