137358091 has 8 divisors (see below), whose sum is σ = 150008544. Its totient is φ = 125005440.

The previous prime is 137358083. The next prime is 137358103. The reversal of 137358091 is 190853731.

It is a happy number.

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

It is not a de Polignac number, because 137358091 - 2³ = 137358083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137358091.

It is not an unprimeable number, because it can be changed into a prime (137358071) 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, 73486 + ... + 75331.

It is an arithmetic number, because the mean of its divisors is an integer number (18751068).

Almost surely, 2^137358091 is an apocalyptic number.

137358091 is a deficient number, since it is larger than the sum of its proper divisors (12650453).

137358091 is a wasteful number, since it uses less digits than its factorization.

137358091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148901.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 137358091 is about 11719.9868173987. The cubic root of 137358091 is about 515.9624331663.

The spelling of 137358091 in words is "one hundred thirty-seven million, three hundred fifty-eight thousand, ninety-one".