140026464 has 36 divisors (see below), whose sum is σ = 398201076. Its totient is φ = 46675392.

The previous prime is 140026429. The next prime is 140026499. The reversal of 140026464 is 464620041.

140026464 is a `hidden beast` number, since 14 + 0 + 0 + 2 + 646 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (140026429) and next prime (140026499).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 242814 + ... + 243389.

It is an arithmetic number, because the mean of its divisors is an integer number (11061141).

Almost surely, 2^140026464 is an apocalyptic number.

It is an amenable number.

140026464 is an abundant number, since it is smaller than the sum of its proper divisors (258174612).

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

140026464 is a wasteful number, since it uses less digits than its factorization.

140026464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486219 (or 486208 counting only the distinct ones).

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

The square root of 140026464 is about 11833.2778214660. The cubic root of 140026464 is about 519.2821257819.

The spelling of 140026464 in words is "one hundred forty million, twenty-six thousand, four hundred sixty-four".