2137455730 has 96 divisors (see below), whose sum is σ = 4451390640. Its totient is φ = 735436800.

The previous prime is 2137455703. The next prime is 2137455743. The reversal of 2137455730 is 375547312.

It can be written as a sum of positive squares in 8 ways, for example, as 495018001 + 1642437729 = 22249^2 + 40527^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2137455730.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1779130 + ... + 1780330.

Almost surely, 2^2137455730 is an apocalyptic number.

2137455730 is an abundant number, since it is smaller than the sum of its proper divisors (2313934910).

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

2137455730 is a wasteful number, since it uses less digits than its factorization.

2137455730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292 (or 1273 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 2137455730 is about 46232.6262503008. The cubic root of 2137455730 is about 1288.1478397388.

The spelling of 2137455730 in words is "two billion, one hundred thirty-seven million, four hundred fifty-five thousand, seven hundred thirty".