140502132 has 72 divisors (see below), whose sum is σ = 363417600. Its totient is φ = 45759168.

The previous prime is 140502107. The next prime is 140502133. The reversal of 140502132 is 231205041.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140502133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 360994 + ... + 361382.

Almost surely, 2^140502132 is an apocalyptic number.

140502132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140502132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181708800).

140502132 is an abundant number, since it is smaller than the sum of its proper divisors (222915468).

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

140502132 is a wasteful number, since it uses less digits than its factorization.

140502132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 140502132 is about 11853.3595237806. The cubic root of 140502132 is about 519.8694593423.

Adding to 140502132 its reverse (231205041), we get a palindrome (371707173).

The spelling of 140502132 in words is "one hundred forty million, five hundred two thousand, one hundred thirty-two".