140499268 has 72 divisors (see below), whose sum is σ = 312994752. Its totient is φ = 54686016.

The previous prime is 140499253. The next prime is 140499283. The reversal of 140499268 is 862994041.

140499268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140499253) and next prime (140499283).

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, 170305 + ... + 171127.

Almost surely, 2^140499268 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 140499268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156497376).

140499268 is an abundant number, since it is smaller than the sum of its proper divisors (172495484).

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

140499268 is a wasteful number, since it uses less digits than its factorization.

140499268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 140499268 is about 11853.2387135331. The cubic root of 140499268 is about 519.8659269730.

The spelling of 140499268 in words is "one hundred forty million, four hundred ninety-nine thousand, two hundred sixty-eight".