136400700 has 72 divisors (see below), whose sum is σ = 397613440. Its totient is φ = 36100800.

The previous prime is 136400681. The next prime is 136400723. The reversal of 136400700 is 7004631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40065 + ... + 43335.

Almost surely, 2^136400700 is an apocalyptic number.

136400700 is a gapful number since it is divisible by the number (10) 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 136400700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198806720).

136400700 is an abundant number, since it is smaller than the sum of its proper divisors (261212740).

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

136400700 is a wasteful number, since it uses less digits than its factorization.

136400700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427 (or 3420 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 136400700 is about 11679.0710247006. The cubic root of 136400700 is about 514.7608780867.

The spelling of 136400700 in words is "one hundred thirty-six million, four hundred thousand, seven hundred".