140113506 has 24 divisors (see below), whose sum is σ = 303443280. Its totient is φ = 43111536.

The previous prime is 140113469. The next prime is 140113517. The reversal of 140113506 is 605311041.

140113506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140113506² = 39263589127224072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68076 + ... + 70103.

It is an arithmetic number, because the mean of its divisors is an integer number (12643470).

Almost surely, 2^140113506 is an apocalyptic number.

140113506 is an abundant number, since it is smaller than the sum of its proper divisors (163329774).

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

140113506 is a wasteful number, since it uses less digits than its factorization.

140113506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138210 (or 138197 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 140113506 is about 11836.9550983350. The cubic root of 140113506 is about 519.3897006675.

Adding to 140113506 its reverse (605311041), we get a palindrome (745424547).

The spelling of 140113506 in words is "one hundred forty million, one hundred thirteen thousand, five hundred six".