136453507 has 4 divisors (see below), whose sum is σ = 137449656. Its totient is φ = 135457360.

The previous prime is 136453501. The next prime is 136453511. The reversal of 136453507 is 705354631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 705354631 = 383 ⋅1841657.

It is a cyclic number.

It is not a de Polignac number, because 136453507 - 2¹⁹ = 135929219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136453501) 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, 497869 + ... + 498142.

It is an arithmetic number, because the mean of its divisors is an integer number (34362414).

Almost surely, 2^136453507 is an apocalyptic number.

136453507 is a deficient number, since it is larger than the sum of its proper divisors (996149).

136453507 is an equidigital number, since it uses as much as digits as its factorization.

136453507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996148.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 136453507 is about 11681.3315593728. The cubic root of 136453507 is about 514.8272987393.

The spelling of 136453507 in words is "one hundred thirty-six million, four hundred fifty-three thousand, five hundred seven".