140350464 has 132 divisors (see below), whose sum is σ = 412044724. Its totient is φ = 46006272.

The previous prime is 140350433. The next prime is 140350493. The reversal of 140350464 is 464053041.

It can be written as a sum of positive squares in 2 ways, for example, as 51840000 + 88510464 = 7200^2 + 9408^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 893874 + ... + 894030.

Almost surely, 2^140350464 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 140350464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206022362).

140350464 is an abundant number, since it is smaller than the sum of its proper divisors (271694260).

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

140350464 is a wasteful number, since it uses less digits than its factorization.

140350464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 140350464 is about 11846.9601164181. The cubic root of 140350464 is about 519.6823306293.

The spelling of 140350464 in words is "one hundred forty million, three hundred fifty thousand, four hundred sixty-four".