137561622 has 32 divisors (see below), whose sum is σ = 301138560. Its totient is φ = 41545920.

The previous prime is 137561609. The next prime is 137561623. The reversal of 137561622 is 226165731.

137561622 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137561623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17329 + ... + 23987.

It is an arithmetic number, because the mean of its divisors is an integer number (9410580).

Almost surely, 2^137561622 is an apocalyptic number.

137561622 is an abundant number, since it is smaller than the sum of its proper divisors (163576938).

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

137561622 is a wasteful number, since it uses less digits than its factorization.

137561622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6988.

The product of its digits is 15120, while the sum is 33.

The square root of 137561622 is about 11728.6666761401. Note that the first 4 decimals coincide. The cubic root of 137561622 is about 516.2171506554.

The spelling of 137561622 in words is "one hundred thirty-seven million, five hundred sixty-one thousand, six hundred twenty-two".