140522064 has 40 divisors (see below), whose sum is σ = 368137152. Its totient is φ = 46179840.

The previous prime is 140522033. The next prime is 140522069. The reversal of 140522064 is 460225041.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140522069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17209 + ... + 24024.

Almost surely, 2^140522064 is an apocalyptic number.

It is an amenable number.

140522064 is an abundant number, since it is smaller than the sum of its proper divisors (227615088).

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

140522064 is a wasteful number, since it uses less digits than its factorization.

140522064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41315 (or 41309 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 140522064 is about 11854.2002682593. The cubic root of 140522064 is about 519.8940415271.

The spelling of 140522064 in words is "one hundred forty million, five hundred twenty-two thousand, sixty-four".