137510090921 has 8 divisors (see below), whose sum is σ = 157477092480. Its totient is φ = 117623765088.

The previous prime is 137510090911. The next prime is 137510090929. The reversal of 137510090921 is 129090015731.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137510090921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137510090929) 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, 20165276 + ... + 20172093.

It is an arithmetic number, because the mean of its divisors is an integer number (19684636560).

Almost surely, 2^137510090921 is an apocalyptic number.

It is an amenable number.

137510090921 is a deficient number, since it is larger than the sum of its proper divisors (19967001559).

137510090921 is an equidigital number, since it uses as much as digits as its factorization.

137510090921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40337863.

The product of its (nonzero) digits is 17010, while the sum is 38.

The spelling of 137510090921 in words is "one hundred thirty-seven billion, five hundred ten million, ninety thousand, nine hundred twenty-one".