140112520 has 16 divisors (see below), whose sum is σ = 315253260. Its totient is φ = 56044992.

The previous prime is 140112509. The next prime is 140112559. The reversal of 140112520 is 25211041.

140112520 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 139759684 + 352836 = 11822^2 + 594^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140112494 and 140112503.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1751367 + ... + 1751446.

Almost surely, 2^140112520 is an apocalyptic number.

140112520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140112520 is an abundant number, since it is smaller than the sum of its proper divisors (175140740).

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

140112520 is a wasteful number, since it uses less digits than its factorization.

140112520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3502824 (or 3502820 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 140112520 is about 11836.9134490373. The cubic root of 140112520 is about 519.3884823233.

Adding to 140112520 its reverse (25211041), we get a palindrome (165323561).

The spelling of 140112520 in words is "one hundred forty million, one hundred twelve thousand, five hundred twenty".