137379730 has 16 divisors (see below), whose sum is σ = 251475840. Its totient is φ = 54020272.

The previous prime is 137379727. The next prime is 137379743. The reversal of 137379730 is 37973731.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115834 + ... + 117013.

It is an arithmetic number, because the mean of its divisors is an integer number (15717240).

Almost surely, 2^137379730 is an apocalyptic number.

137379730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137379730 is a deficient number, since it is larger than the sum of its proper divisors (114096110).

137379730 is a wasteful number, since it uses less digits than its factorization.

137379730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232913.

The product of its (nonzero) digits is 83349, while the sum is 40.

The square root of 137379730 is about 11720.9099476107. The cubic root of 137379730 is about 515.9895261580.

The spelling of 137379730 in words is "one hundred thirty-seven million, three hundred seventy-nine thousand, seven hundred thirty".