140520032 has 24 divisors (see below), whose sum is σ = 278768952. Its totient is φ = 69721600.

The previous prime is 140520031. The next prime is 140520047. The reversal of 140520032 is 230025041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140520031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12569 + ... + 20952.

It is an arithmetic number, because the mean of its divisors is an integer number (11615373).

Almost surely, 2^140520032 is an apocalyptic number.

It is an amenable number.

140520032 is a deficient number, since it is larger than the sum of its proper divisors (138248920).

140520032 is a wasteful number, since it uses less digits than its factorization.

140520032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33662 (or 33654 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 140520032 is about 11854.1145599323. The cubic root of 140520032 is about 519.8915355629.

Adding to 140520032 its reverse (230025041), we get a palindrome (370545073).

The spelling of 140520032 in words is "one hundred forty million, five hundred twenty thousand, thirty-two".