140513252520 has 32 divisors (see below), whose sum is σ = 421539757920. Its totient is φ = 37470200640.

The previous prime is 140513252519. The next prime is 140513252521. The reversal of 140513252520 is 25252315041.

It is an interprime number because it is at equal distance from previous prime (140513252519) and next prime (140513252521).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (140513252521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585471766 + ... + 585472005.

It is an arithmetic number, because the mean of its divisors is an integer number (13173117435).

Almost surely, 2^140513252520 is an apocalyptic number.

140513252520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140513252520 is an abundant number, since it is smaller than the sum of its proper divisors (281026505400).

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

140513252520 is a wasteful number, since it uses less digits than its factorization.

140513252520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170943785 (or 1170943781 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 140513252520 its reverse (25252315041), we get a palindrome (165765567561).

The spelling of 140513252520 in words is "one hundred forty billion, five hundred thirteen million, two hundred fifty-two thousand, five hundred twenty".