140257152 has 96 divisors (see below), whose sum is σ = 461288880. Its totient is φ = 40071168.

The previous prime is 140257129. The next prime is 140257211. The reversal of 140257152 is 251752041.

140257152 is a `hidden beast` number, since 1 + 40 + 2 + 571 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×140257152² = 39344137374302208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 633 + ... + 16760.

Almost surely, 2^140257152 is an apocalyptic number.

140257152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140257152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230644440).

140257152 is an abundant number, since it is smaller than the sum of its proper divisors (321031728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140257152 is a wasteful number, since it uses less digits than its factorization.

140257152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17420 (or 17405 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 140257152 is about 11843.0212361542. The cubic root of 140257152 is about 519.5671348378.

The spelling of 140257152 in words is "one hundred forty million, two hundred fifty-seven thousand, one hundred fifty-two".