140653312 has 36 divisors (see below), whose sum is σ = 285391456. Its totient is φ = 69166080.

The previous prime is 140653297. The next prime is 140653313. The reversal of 140653312 is 213356041.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (140653313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11113 + ... + 20119.

Almost surely, 2^140653312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140653312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142695728).

140653312 is an abundant number, since it is smaller than the sum of its proper divisors (144738144).

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

140653312 is an frugal number, since it uses more digits than its factorization.

140653312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9084 (or 9070 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 140653312 is about 11859.7349042885. The cubic root of 140653312 is about 520.0558519890.

The spelling of 140653312 in words is "one hundred forty million, six hundred fifty-three thousand, three hundred twelve".