137720150 has 12 divisors (see below), whose sum is σ = 256159572. Its totient is φ = 55088040.

The previous prime is 137720123. The next prime is 137720153. The reversal of 137720150 is 51027731.

137720150 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137720153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1377152 + ... + 1377251.

It is an arithmetic number, because the mean of its divisors is an integer number (21346631).

Almost surely, 2^137720150 is an apocalyptic number.

137720150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137720150 is a deficient number, since it is larger than the sum of its proper divisors (118439422).

137720150 is a wasteful number, since it uses less digits than its factorization.

137720150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754415 (or 2754410 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 137720150 is about 11735.4228726535. The cubic root of 137720150 is about 516.4153732301.

Adding to 137720150 its reverse (51027731), we get a palindrome (188747881).

The spelling of 137720150 in words is "one hundred thirty-seven million, seven hundred twenty thousand, one hundred fifty".