137801636 has 12 divisors (see below), whose sum is σ = 275603328. Its totient is φ = 59057832.

The previous prime is 137801633. The next prime is 137801641. The reversal of 137801636 is 636108731.

137801636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

137801636 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 137801596 and 137801605.

It is not an unprimeable number, because it can be changed into a prime (137801633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2460716 + ... + 2460771.

It is an arithmetic number, because the mean of its divisors is an integer number (22966944).

Almost surely, 2^137801636 is an apocalyptic number.

It is an amenable number.

137801636 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

137801636 is a wasteful number, since it uses less digits than its factorization.

137801636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4921498 (or 4921496 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 137801636 is about 11738.8941557542. The cubic root of 137801636 is about 516.5172037089.

The spelling of 137801636 in words is "one hundred thirty-seven million, eight hundred one thousand, six hundred thirty-six".