140355324 has 72 divisors (see below), whose sum is σ = 363242880. Its totient is φ = 45685152.

The previous prime is 140355307. The next prime is 140355359. The reversal of 140355324 is 423553041.

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, 319497 + ... + 319935.

It is an arithmetic number, because the mean of its divisors is an integer number (5045040).

Almost surely, 2^140355324 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 140355324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181621440).

140355324 is an abundant number, since it is smaller than the sum of its proper divisors (222887556).

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

140355324 is a wasteful number, since it uses less digits than its factorization.

140355324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 140355324 is about 11847.1652305520. The cubic root of 140355324 is about 519.6883290110.

The spelling of 140355324 in words is "one hundred forty million, three hundred fifty-five thousand, three hundred twenty-four".