2137540746 has 32 divisors (see below), whose sum is σ = 4702286016. Its totient is φ = 647737200.

The previous prime is 2137540723. The next prime is 2137540751. The reversal of 2137540746 is 6470457312.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125845 + ... + 141816.

It is an arithmetic number, because the mean of its divisors is an integer number (146946438).

Almost surely, 2^2137540746 is an apocalyptic number.

2137540746 is an abundant number, since it is smaller than the sum of its proper divisors (2564745270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2137540746 is a wasteful number, since it uses less digits than its factorization.

2137540746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267699 (or 267677 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 2137540746 is about 46233.5456784357. The cubic root of 2137540746 is about 1288.1649179443.

The spelling of 2137540746 in words is "two billion, one hundred thirty-seven million, five hundred forty thousand, seven hundred forty-six".