140315540 has 12 divisors (see below), whose sum is σ = 294662676. Its totient is φ = 56126208.

The previous prime is 140315533. The next prime is 140315557. The reversal of 140315540 is 45513041.

It can be written as a sum of positive squares in 2 ways, for example, as 33895684 + 106419856 = 5822^2 + 10316^2 .

It is a congruent number.

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, 3507869 + ... + 3507908.

It is an arithmetic number, because the mean of its divisors is an integer number (24555223).

Almost surely, 2^140315540 is an apocalyptic number.

140315540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140315540 is an abundant number, since it is smaller than the sum of its proper divisors (154347136).

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

140315540 is a wasteful number, since it uses less digits than its factorization.

140315540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7015786 (or 7015784 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 140315540 is about 11845.4860600990. The cubic root of 140315540 is about 519.6392221355.

Adding to 140315540 its reverse (45513041), we get a palindrome (185828581).

The spelling of 140315540 in words is "one hundred forty million, three hundred fifteen thousand, five hundred forty".