140288064 has 56 divisors (see below), whose sum is σ = 424208448. Its totient is φ = 40081920.

The previous prime is 140288047. The next prime is 140288081. The reversal of 140288064 is 460882041.

It is an interprime number because it is at equal distance from previous prime (140288047) and next prime (140288081).

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50847 + ... + 53534.

Almost surely, 2^140288064 is an apocalyptic number.

140288064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

140288064 is an abundant number, since it is smaller than the sum of its proper divisors (283920384).

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

140288064 is a wasteful number, since it uses less digits than its factorization.

140288064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104403 (or 104393 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 140288064 is about 11844.3262366417. The cubic root of 140288064 is about 519.6053020644.

The spelling of 140288064 in words is "one hundred forty million, two hundred eighty-eight thousand, sixty-four".