140451312 has 20 divisors (see below), whose sum is σ = 362832680. Its totient is φ = 46817088.

The previous prime is 140451253. The next prime is 140451313. The reversal of 140451312 is 213154041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140451313) 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, 1462987 + ... + 1463082.

It is an arithmetic number, because the mean of its divisors is an integer number (18141634).

Almost surely, 2^140451312 is an apocalyptic number.

140451312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140451312 is an abundant number, since it is smaller than the sum of its proper divisors (222381368).

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

140451312 is a wasteful number, since it uses less digits than its factorization.

140451312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926080 (or 2926074 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 140451312 is about 11851.2156338496. The cubic root of 140451312 is about 519.8067723886.

The spelling of 140451312 in words is "one hundred forty million, four hundred fifty-one thousand, three hundred twelve".