140352057 has 12 divisors (see below), whose sum is σ = 203626800. Its totient is φ = 93154488.

The previous prime is 140352001. The next prime is 140352073. The reversal of 140352057 is 750253041.

It is a happy number.

140352057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140352057 - 2¹⁰ = 140351033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140352057.

It is not an unprimeable number, because it can be changed into a prime (140352557) 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, 32307 + ... + 36392.

It is an arithmetic number, because the mean of its divisors is an integer number (16968900).

Almost surely, 2^140352057 is an apocalyptic number.

It is an amenable number.

140352057 is a deficient number, since it is larger than the sum of its proper divisors (63274743).

140352057 is a wasteful number, since it uses less digits than its factorization.

140352057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68932 (or 68929 counting only the distinct ones).

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

The square root of 140352057 is about 11847.0273486643. The cubic root of 140352057 is about 519.6842967808.

The spelling of 140352057 in words is "one hundred forty million, three hundred fifty-two thousand, fifty-seven".