140412432 has 80 divisors (see below), whose sum is σ = 395064000. Its totient is φ = 42803712.

The previous prime is 140412421. The next prime is 140412443. The reversal of 140412432 is 234214041.

It is an interprime number because it is at equal distance from previous prime (140412421) and next prime (140412443).

It is a junction number, because it is equal to n+sod(n) for n = 140412399 and 140412408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23794 + ... + 29102.

It is an arithmetic number, because the mean of its divisors is an integer number (4938300).

Almost surely, 2^140412432 is an apocalyptic number.

140412432 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 140412432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197532000).

140412432 is an abundant number, since it is smaller than the sum of its proper divisors (254651568).

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

140412432 is a wasteful number, since it uses less digits than its factorization.

140412432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5368 (or 5362 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 140412432 is about 11849.5751822586. The cubic root of 140412432 is about 519.7588033281.

Adding to 140412432 its reverse (234214041), we get a palindrome (374626473).

The spelling of 140412432 in words is "one hundred forty million, four hundred twelve thousand, four hundred thirty-two".