140329464 has 32 divisors (see below), whose sum is σ = 382717440. Its totient is φ = 42524000.

The previous prime is 140329457. The next prime is 140329487. The reversal of 140329464 is 464923041.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265512 + ... + 266039.

It is an arithmetic number, because the mean of its divisors is an integer number (11959920).

Almost surely, 2^140329464 is an apocalyptic number.

It is an amenable number.

140329464 is an abundant number, since it is smaller than the sum of its proper divisors (242387976).

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

140329464 is a wasteful number, since it uses less digits than its factorization.

140329464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531571 (or 531567 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 140329464 is about 11846.0737799492. The cubic root of 140329464 is about 519.6564101039.

The spelling of 140329464 in words is "one hundred forty million, three hundred twenty-nine thousand, four hundred sixty-four".