137720162 has 16 divisors (see below), whose sum is σ = 218972160. Its totient is φ = 64738368.

The previous prime is 137720161. The next prime is 137720171. The reversal of 137720162 is 261027731.

137720162 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (137720161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41903 + ... + 45069.

It is an arithmetic number, because the mean of its divisors is an integer number (13685760).

Almost surely, 2^137720162 is an apocalyptic number.

137720162 is a deficient number, since it is larger than the sum of its proper divisors (81251998).

137720162 is a wasteful number, since it uses less digits than its factorization.

137720162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4465.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 137720162 is about 11735.4233839261. The cubic root of 137720162 is about 516.4153882291.

Adding to 137720162 its reverse (261027731), we get a palindrome (398747893).

The spelling of 137720162 in words is "one hundred thirty-seven million, seven hundred twenty thousand, one hundred sixty-two".