2357640142 has 16 divisors (see below), whose sum is σ = 4154722992. Its totient is φ = 989219520.

The previous prime is 2357640133. The next prime is 2357640151. The reversal of 2357640142 is 2410467532.

It is an interprime number because it is at equal distance from previous prime (2357640133) and next prime (2357640151).

It is a junction number, because it is equal to n+sod(n) for n = 2357640098 and 2357640107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4121463 + ... + 4122034.

It is an arithmetic number, because the mean of its divisors is an integer number (259670187).

Almost surely, 2^2357640142 is an apocalyptic number.

2357640142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2357640142 is a deficient number, since it is larger than the sum of its proper divisors (1797082850).

2357640142 is a wasteful number, since it uses less digits than its factorization.

2357640142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8243523.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 2357640142 is about 48555.5366770876. The cubic root of 2357640142 is about 1330.9421296863.

The spelling of 2357640142 in words is "two billion, three hundred fifty-seven million, six hundred forty thousand, one hundred forty-two".