140040764 has 36 divisors (see below), whose sum is σ = 268252992. Its totient is φ = 63745920.

The previous prime is 140040763. The next prime is 140040793. The reversal of 140040764 is 467040041.

It is a super-2 number, since 2×140040764² = 39222831163407392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140040763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64277 + ... + 66419.

It is an arithmetic number, because the mean of its divisors is an integer number (7451472).

Almost surely, 2^140040764 is an apocalyptic number.

It is an amenable number.

140040764 is a deficient number, since it is larger than the sum of its proper divisors (128212228).

140040764 is a wasteful number, since it uses less digits than its factorization.

140040764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226 (or 2193 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 140040764 is about 11833.8820342270. The cubic root of 140040764 is about 519.2998021587.

The spelling of 140040764 in words is "one hundred forty million, forty thousand, seven hundred sixty-four".