136787400 has 192 divisors, whose sum is σ = 478987200. Its totient is φ = 35873280.

The previous prime is 136787383. The next prime is 136787411. The reversal of 136787400 is 4787631.

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 polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 394027 + ... + 394373.

It is an arithmetic number, because the mean of its divisors is an integer number (2494725).

Almost surely, 2^136787400 is an apocalyptic number.

136787400 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 136787400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239493600).

136787400 is an abundant number, since it is smaller than the sum of its proper divisors (342199800).

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

136787400 is a wasteful number, since it uses less digits than its factorization.

136787400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 430 counting only the distinct ones).

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

The square root of 136787400 is about 11695.6145627325. The cubic root of 136787400 is about 515.2468731867.

The spelling of 136787400 in words is "one hundred thirty-six million, seven hundred eighty-seven thousand, four hundred".