140515230720 has 352 divisors, whose sum is σ = 466912512000. Its totient is φ = 36040966144.

The previous prime is 140515230659. The next prime is 140515230763. The reversal of 140515230720 is 27032515041.

140515230720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42591631 + ... + 42594929.

It is an arithmetic number, because the mean of its divisors is an integer number (1326456000).

Almost surely, 2^140515230720 is an apocalyptic number.

140515230720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140515230720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233456256000).

140515230720 is an abundant number, since it is smaller than the sum of its proper divisors (326397281280).

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

140515230720 is a wasteful number, since it uses less digits than its factorization.

140515230720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3433 (or 3415 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

Adding to 140515230720 its reverse (27032515041), we get a palindrome (167547745761).

The spelling of 140515230720 in words is "one hundred forty billion, five hundred fifteen million, two hundred thirty thousand, seven hundred twenty".