140153712 has 40 divisors (see below), whose sum is σ = 383363856. Its totient is φ = 43969536.

The previous prime is 140153711. The next prime is 140153719. The reversal of 140153712 is 217351041.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140153711) 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, 85063 + ... + 86694.

Almost surely, 2^140153712 is an apocalyptic number.

140153712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140153712 is an abundant number, since it is smaller than the sum of its proper divisors (243210144).

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

140153712 is a wasteful number, since it uses less digits than its factorization.

140153712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171785 (or 171779 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 140153712 is about 11838.6533017907. The cubic root of 140153712 is about 519.4393760718.

The spelling of 140153712 in words is "one hundred forty million, one hundred fifty-three thousand, seven hundred twelve".