140133312 has 168 divisors, whose sum is σ = 464314032. Its totient is φ = 39936000.

The previous prime is 140133311. The next prime is 140133373. The reversal of 140133312 is 213331041.

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 (140133311) 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, 107062 + ... + 108362.

It is an arithmetic number, because the mean of its divisors is an integer number (2763774).

Almost surely, 2^140133312 is an apocalyptic number.

140133312 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 140133312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232157016).

140133312 is an abundant number, since it is smaller than the sum of its proper divisors (324180720).

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

140133312 is a wasteful number, since it uses less digits than its factorization.

140133312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347 (or 1334 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 140133312 is about 11837.7916859522. The cubic root of 140133312 is about 519.4141726070.

Adding to 140133312 its reverse (213331041), we get a palindrome (353464353).

The spelling of 140133312 in words is "one hundred forty million, one hundred thirty-three thousand, three hundred twelve".