2139572751 has 8 divisors (see below), whose sum is σ = 2857389744. Its totient is φ = 1424068800.

The previous prime is 2139572737. The next prime is 2139572777. The reversal of 2139572751 is 1572759312.

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

It is not a de Polignac number, because 2139572751 - 2¹⁹ = 2139048463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139572051) 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, 576100 + ... + 579801.

It is an arithmetic number, because the mean of its divisors is an integer number (357173718).

Almost surely, 2^2139572751 is an apocalyptic number.

2139572751 is a deficient number, since it is larger than the sum of its proper divisors (717816993).

2139572751 is a wasteful number, since it uses less digits than its factorization.

2139572751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156521.

The product of its digits is 132300, while the sum is 42.

The square root of 2139572751 is about 46255.5158981067. The cubic root of 2139572751 is about 1288.5729769963.

The spelling of 2139572751 in words is "two billion, one hundred thirty-nine million, five hundred seventy-two thousand, seven hundred fifty-one".