136311630 has 128 divisors (see below), whose sum is σ = 411264000. Its totient is φ = 28732032.

The previous prime is 136311569. The next prime is 136311667. The reversal of 136311630 is 36113631.

It is a self number, because there is not a number n which added to its sum of digits gives 136311630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 133261 + ... + 134279.

It is an arithmetic number, because the mean of its divisors is an integer number (3213000).

Almost surely, 2^136311630 is an apocalyptic number.

136311630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 136311630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205632000).

136311630 is an abundant number, since it is smaller than the sum of its proper divisors (274952370).

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

136311630 is a wasteful number, since it uses less digits than its factorization.

136311630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063 (or 1049 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 136311630 is about 11675.2571706151. The cubic root of 136311630 is about 514.6488069731.

The spelling of 136311630 in words is "one hundred thirty-six million, three hundred eleven thousand, six hundred thirty".