140321132 has 24 divisors (see below), whose sum is σ = 286616064. Its totient is φ = 58857552.

The previous prime is 140321089. The next prime is 140321177. The reversal of 140321132 is 231123041.

It is a super-2 number, since 2×140321132² = 39380040171522848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140321132.

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, 51998 + ... + 54629.

It is an arithmetic number, because the mean of its divisors is an integer number (11942336).

Almost surely, 2^140321132 is an apocalyptic number.

It is an amenable number.

140321132 is an abundant number, since it is smaller than the sum of its proper divisors (146294932).

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

140321132 is a wasteful number, since it uses less digits than its factorization.

140321132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106685 (or 106683 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 140321132 is about 11845.7220970273. The cubic root of 140321132 is about 519.6461251103.

Adding to 140321132 its reverse (231123041), we get a palindrome (371444173).

The spelling of 140321132 in words is "one hundred forty million, three hundred twenty-one thousand, one hundred thirty-two".