2140363731 has 8 divisors (see below), whose sum is σ = 3113256384. Its totient is φ = 1297190120.

The previous prime is 2140363717. The next prime is 2140363751. The reversal of 2140363731 is 1373630412.

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

It is a cyclic number.

It is not a de Polignac number, because 2140363731 - 2¹⁴ = 2140347347 is a prime.

It is a super-2 number, since 2×2140363731² = 9162313801960480722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2140363751) 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, 32429721 + ... + 32429786.

It is an arithmetic number, because the mean of its divisors is an integer number (389157048).

Almost surely, 2^2140363731 is an apocalyptic number.

2140363731 is a deficient number, since it is larger than the sum of its proper divisors (972892653).

2140363731 is a wasteful number, since it uses less digits than its factorization.

2140363731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64859521.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 2140363731 is about 46264.0652234539. The cubic root of 2140363731 is about 1288.7317485514.

The spelling of 2140363731 in words is "two billion, one hundred forty million, three hundred sixty-three thousand, seven hundred thirty-one".