140488564 has 12 divisors (see below), whose sum is σ = 246062404. Its totient is φ = 70185024.

The previous prime is 140488541. The next prime is 140488567. The reversal of 140488564 is 465884041.

It can be written as a sum of positive squares in 2 ways, for example, as 125216100 + 15272464 = 11190^2 + 3908^2 .

It is a super-2 number, since 2×140488564² = 39474073229564192, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) 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 (140488567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9249 + ... + 19144.

Almost surely, 2^140488564 is an apocalyptic number.

It is an amenable number.

140488564 is a deficient number, since it is larger than the sum of its proper divisors (105573840).

140488564 is a wasteful number, since it uses less digits than its factorization.

140488564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29634 (or 29632 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 140488564 is about 11852.7871827684. The cubic root of 140488564 is about 519.8527245645.

The spelling of 140488564 in words is "one hundred forty million, four hundred eighty-eight thousand, five hundred sixty-four".