140052357 has 12 divisors (see below), whose sum is σ = 204302124. Its totient is φ = 92443200.

The previous prime is 140052347. The next prime is 140052361. The reversal of 140052357 is 753250041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 58890276 + 81162081 = 7674^2 + 9009^2 .

It is not a de Polignac number, because 140052357 - 2⁷ = 140052229 is a prime.

It is a super-2 number, since 2×140052357² = 39229325402510898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140052357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140052317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76128 + ... + 77945.

It is an arithmetic number, because the mean of its divisors is an integer number (17025177).

Almost surely, 2^140052357 is an apocalyptic number.

It is an amenable number.

140052357 is a deficient number, since it is larger than the sum of its proper divisors (64249767).

140052357 is a wasteful number, since it uses less digits than its factorization.

140052357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154180 (or 154177 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 140052357 is about 11834.3718464480. The cubic root of 140052357 is about 519.3141315019.

The spelling of 140052357 in words is "one hundred forty million, fifty-two thousand, three hundred fifty-seven".