140064626 has 8 divisors (see below), whose sum is σ = 226258284. Its totient is φ = 64645200.

The previous prime is 140064623. The next prime is 140064629. The reversal of 140064626 is 626460041.

140064626 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 (140064623) and next prime (140064629).

It can be written as a sum of positive squares in 2 ways, for example, as 139263601 + 801025 = 11801^2 + 895^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140064623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2693525 + ... + 2693576.

Almost surely, 2^140064626 is an apocalyptic number.

140064626 is a deficient number, since it is larger than the sum of its proper divisors (86193658).

140064626 is a wasteful number, since it uses less digits than its factorization.

140064626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5387116.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 140064626 is about 11834.8901980542. The cubic root of 140064626 is about 519.3292955428.

The spelling of 140064626 in words is "one hundred forty million, sixty-four thousand, six hundred twenty-six".