2001790137 has 16 divisors (see below), whose sum is σ = 2891782080. Its totient is φ = 1226813952.

The previous prime is 2001790111. The next prime is 2001790151. The reversal of 2001790137 is 7310971002.

It is a de Polignac number, because none of the positive numbers 2^k-2001790137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2001790157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454212 + ... + 458597.

It is an arithmetic number, because the mean of its divisors is an integer number (180736380).

Almost surely, 2^2001790137 is an apocalyptic number.

It is an amenable number.

2001790137 is a deficient number, since it is larger than the sum of its proper divisors (889991943).

2001790137 is a wasteful number, since it uses less digits than its factorization.

2001790137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912872.

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 2001790137 is about 44741.3694135528. The cubic root of 2001790137 is about 1260.2968430117.

The spelling of 2001790137 in words is "two billion, one million, seven hundred ninety thousand, one hundred thirty-seven".