140745384 has 64 divisors (see below), whose sum is σ = 421041600. Its totient is φ = 43305408.

The previous prime is 140745383. The next prime is 140745389. The reversal of 140745384 is 483547041.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (140745383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22254 + ... + 27869.

It is an arithmetic number, because the mean of its divisors is an integer number (6578775).

Almost surely, 2^140745384 is an apocalyptic number.

It is an amenable number.

140745384 is an abundant number, since it is smaller than the sum of its proper divisors (280296216).

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

140745384 is a wasteful number, since it uses less digits than its factorization.

140745384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50151 (or 50141 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 140745384 is about 11863.6159749041. The cubic root of 140745384 is about 520.1693038457.

The spelling of 140745384 in words is "one hundred forty million, seven hundred forty-five thousand, three hundred eighty-four".