2137498540 has 24 divisors (see below), whose sum is σ = 4492922112. Its totient is φ = 854204160.

The previous prime is 2137498529. The next prime is 2137498549. The reversal of 2137498540 is 458947312.

It is not an unprimeable number, because it can be changed into a prime (2137498549) 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, 27421 + ... + 70900.

It is an arithmetic number, because the mean of its divisors is an integer number (187205088).

Almost surely, 2^2137498540 is an apocalyptic number.

2137498540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2137498540 is an abundant number, since it is smaller than the sum of its proper divisors (2355423572).

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

2137498540 is a wasteful number, since it uses less digits than its factorization.

2137498540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99417 (or 99415 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 2137498540 is about 46233.0892327130. The cubic root of 2137498540 is about 1288.1564395646.

The spelling of 2137498540 in words is "two billion, one hundred thirty-seven million, four hundred ninety-eight thousand, five hundred forty".