136453945 has 8 divisors (see below), whose sum is σ = 167738760. Its totient is φ = 106500480.

The previous prime is 136453927. The next prime is 136453949. The reversal of 136453945 is 549354631.

It can be written as a sum of positive squares in 4 ways, for example, as 13155129 + 123298816 = 3627^2 + 11104^2 .

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

It is not a de Polignac number, because 136453945 - 2⁵ = 136453913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136453898 and 136453907.

It is not an unprimeable number, because it can be changed into a prime (136453949) 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, 332610 + ... + 333019.

It is an arithmetic number, because the mean of its divisors is an integer number (20967345).

Almost surely, 2^136453945 is an apocalyptic number.

It is an amenable number.

136453945 is a deficient number, since it is larger than the sum of its proper divisors (31284815).

136453945 is an equidigital number, since it uses as much as digits as its factorization.

136453945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665675.

The product of its digits is 194400, while the sum is 40.

The square root of 136453945 is about 11681.3503072205. The cubic root of 136453945 is about 514.8278495841.

The spelling of 136453945 in words is "one hundred thirty-six million, four hundred fifty-three thousand, nine hundred forty-five".