140383057 has 8 divisors (see below), whose sum is σ = 144609192. Its totient is φ = 136195200.

The previous prime is 140383051. The next prime is 140383063. The reversal of 140383057 is 750383041.

It is an interprime number because it is at equal distance from previous prime (140383051) and next prime (140383063).

It can be written as a sum of positive squares in 4 ways, for example, as 576081 + 139806976 = 759^2 + 11824^2 .

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 140383057 - 2³ = 140383049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140383051) 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, 2038 + ... + 16879.

It is an arithmetic number, because the mean of its divisors is an integer number (18076149).

Almost surely, 2^140383057 is an apocalyptic number.

It is an amenable number.

140383057 is a deficient number, since it is larger than the sum of its proper divisors (4226135).

140383057 is a wasteful number, since it uses less digits than its factorization.

140383057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19139.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 140383057 is about 11848.3356215124. The cubic root of 140383057 is about 519.7225553989.

The spelling of 140383057 in words is "one hundred forty million, three hundred eighty-three thousand, fifty-seven".