137936091 has 8 divisors (see below), whose sum is σ = 184011264. Its totient is φ = 91909160.

The previous prime is 137936077. The next prime is 137936107. The reversal of 137936091 is 190639731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137936091 - 2⁵ = 137936059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137936791) 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, 4755 + ... + 17276.

It is an arithmetic number, because the mean of its divisors is an integer number (23001408).

Almost surely, 2^137936091 is an apocalyptic number.

137936091 is a deficient number, since it is larger than the sum of its proper divisors (46075173).

137936091 is a wasteful number, since it uses less digits than its factorization.

137936091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24121.

The product of its (nonzero) digits is 30618, while the sum is 39.

The square root of 137936091 is about 11744.6196617856. The cubic root of 137936091 is about 516.6851401419.

The spelling of 137936091 in words is "one hundred thirty-seven million, nine hundred thirty-six thousand, ninety-one".