136707408 has 60 divisors (see below), whose sum is σ = 385564608. Its totient is φ = 45215040.

The previous prime is 136707383. The next prime is 136707433. The reversal of 136707408 is 804707631.

It is an interprime number because it is at equal distance from previous prime (136707383) and next prime (136707433).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15241 + ... + 22487.

Almost surely, 2^136707408 is an apocalyptic number.

136707408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136707408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192782304).

136707408 is an abundant number, since it is smaller than the sum of its proper divisors (248857200).

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

136707408 is a wasteful number, since it uses less digits than its factorization.

136707408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7392 (or 7383 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 136707408 is about 11692.1943192884. The cubic root of 136707408 is about 515.1464164081.

The spelling of 136707408 in words is "one hundred thirty-six million, seven hundred seven thousand, four hundred eight".