140253582 has 48 divisors (see below), whose sum is σ = 332497872. Its totient is φ = 39312000.

The previous prime is 140253557. The next prime is 140253601. The reversal of 140253582 is 285352041.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11082 + ... + 20082.

It is an arithmetic number, because the mean of its divisors is an integer number (6927039).

Almost surely, 2^140253582 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140253582, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166248936).

140253582 is an abundant number, since it is smaller than the sum of its proper divisors (192244290).

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

140253582 is a wasteful number, since it uses less digits than its factorization.

140253582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9073 (or 9066 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 140253582 is about 11842.8705135199. The cubic root of 140253582 is about 519.5627265767.

The spelling of 140253582 in words is "one hundred forty million, two hundred fifty-three thousand, five hundred eighty-two".