140062464 has 216 divisors, whose sum is σ = 436205952. Its totient is φ = 43130880.

The previous prime is 140062463. The next prime is 140062487. The reversal of 140062464 is 464260041.

140062464 is a `hidden beast` number, since 140 + 0 + 62 + 464 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140062463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2642662 + ... + 2642714.

It is an arithmetic number, because the mean of its divisors is an integer number (2019472).

Almost surely, 2^140062464 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 140062464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218102976).

140062464 is an abundant number, since it is smaller than the sum of its proper divisors (296143488).

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

140062464 is a wasteful number, since it uses less digits than its factorization.

140062464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 140062464 is about 11834.7988576063. The cubic root of 140062464 is about 519.3266234532.

The spelling of 140062464 in words is "one hundred forty million, sixty-two thousand, four hundred sixty-four".