137270745 has 24 divisors (see below), whose sum is σ = 239196672. Its totient is φ = 72823200.

The previous prime is 137270741. The next prime is 137270753. The reversal of 137270745 is 547072731.

137270745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 137270745 - 2² = 137270741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137270741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 610 + ... + 16580.

It is an arithmetic number, because the mean of its divisors is an integer number (9966528).

Almost surely, 2^137270745 is an apocalyptic number.

137270745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137270745 is a deficient number, since it is larger than the sum of its proper divisors (101925927).

137270745 is a wasteful number, since it uses less digits than its factorization.

137270745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16173 (or 16170 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 137270745 is about 11716.2598554317. The cubic root of 137270745 is about 515.8530431516.

The spelling of 137270745 in words is "one hundred thirty-seven million, two hundred seventy thousand, seven hundred forty-five".