140043064 has 16 divisors (see below), whose sum is σ = 300092400. Its totient is φ = 60018432.

The previous prime is 140043037. The next prime is 140043073. The reversal of 140043064 is 460340041.

It is a happy number.

It is a super-2 number, since 2×140043064² = 39224119549016192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1250329 + ... + 1250440.

It is an arithmetic number, because the mean of its divisors is an integer number (18755775).

Almost surely, 2^140043064 is an apocalyptic number.

140043064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

140043064 is an abundant number, since it is smaller than the sum of its proper divisors (160049336).

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

140043064 is a wasteful number, since it uses less digits than its factorization.

140043064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500782 (or 2500778 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 140043064 is about 11833.9792124205. The cubic root of 140043064 is about 519.3026451000.

The spelling of 140043064 in words is "one hundred forty million, forty-three thousand, sixty-four".