136453236 has 48 divisors (see below), whose sum is σ = 330939840. Its totient is φ = 43706880.

The previous prime is 136453201. The next prime is 136453243. The reversal of 136453236 is 632354631.

It is a super-2 number, since 2×136453236² = 37238971229743392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136453197 and 136453206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83055 + ... + 84681.

It is an arithmetic number, because the mean of its divisors is an integer number (6894580).

Almost surely, 2^136453236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136453236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165469920).

136453236 is an abundant number, since it is smaller than the sum of its proper divisors (194486604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136453236 is a wasteful number, since it uses less digits than its factorization.

136453236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904 (or 1902 counting only the distinct ones).

The product of its digits is 38880, while the sum is 33.

The square root of 136453236 is about 11681.3199596621. The cubic root of 136453236 is about 514.8269579192.

The spelling of 136453236 in words is "one hundred thirty-six million, four hundred fifty-three thousand, two hundred thirty-six".