57140379 has 12 divisors (see below), whose sum is σ = 83935800. Its totient is φ = 37447584.

The previous prime is 57140357. The next prime is 57140387. The reversal of 57140379 is 97304175.

It is a happy number.

It is not a de Polignac number, because 57140379 - 2⁸ = 57140123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57145379) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53274 + ... + 54335.

It is an arithmetic number, because the mean of its divisors is an integer number (6994650).

Almost surely, 2^57140379 is an apocalyptic number.

57140379 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

57140379 is a deficient number, since it is larger than the sum of its proper divisors (26795421).

57140379 is a wasteful number, since it uses less digits than its factorization.

57140379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107674 (or 107671 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 57140379 is about 7559.1255446645. The cubic root of 57140379 is about 385.1657890574.

The spelling of 57140379 in words is "fifty-seven million, one hundred forty thousand, three hundred seventy-nine".