140432064 has 56 divisors (see below), whose sum is σ = 372483888. Its totient is φ = 46694400.

The previous prime is 140432051. The next prime is 140432081. The reversal of 140432064 is 460234041.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 114784 + ... + 116000.

It is an arithmetic number, because the mean of its divisors is an integer number (6651498).

Almost surely, 2^140432064 is an apocalyptic number.

It is an amenable number.

140432064 is an abundant number, since it is smaller than the sum of its proper divisors (232051824).

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

140432064 is a wasteful number, since it uses less digits than its factorization.

140432064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833 (or 1823 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 140432064 is about 11850.4035374328. The cubic root of 140432064 is about 519.7830258492.

The spelling of 140432064 in words is "one hundred forty million, four hundred thirty-two thousand, sixty-four".