140366864 has 20 divisors (see below), whose sum is σ = 296684880. Its totient is φ = 63803040.

The previous prime is 140366833. The next prime is 140366879. The reversal of 140366864 is 468663041.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398594 + ... + 398945.

It is an arithmetic number, because the mean of its divisors is an integer number (14834244).

Almost surely, 2^140366864 is an apocalyptic number.

It is an amenable number.

140366864 is an abundant number, since it is smaller than the sum of its proper divisors (156318016).

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

140366864 is a wasteful number, since it uses less digits than its factorization.

140366864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797558 (or 797552 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 140366864 is about 11847.6522568820. The cubic root of 140366864 is about 519.7025715273.

The spelling of 140366864 in words is "one hundred forty million, three hundred sixty-six thousand, eight hundred sixty-four".