137540370 has 64 divisors (see below), whose sum is σ = 381303936. Its totient is φ = 31380480.

The previous prime is 137540369. The next prime is 137540371. The reversal of 137540370 is 73045731.

It is an interprime number because it is at equal distance from previous prime (137540369) and next prime (137540371).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (137540371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6649 + ... + 17868.

It is an arithmetic number, because the mean of its divisors is an integer number (5957874).

Almost surely, 2^137540370 is an apocalyptic number.

137540370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137540370 is an abundant number, since it is smaller than the sum of its proper divisors (243763566).

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

137540370 is a wasteful number, since it uses less digits than its factorization.

137540370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24555.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 137540370 is about 11727.7606558115. The cubic root of 137540370 is about 516.1905656924.

The spelling of 137540370 in words is "one hundred thirty-seven million, five hundred forty thousand, three hundred seventy".