140042140021320 has 128 divisors (see below), whose sum is σ = 438459676732800. Its totient is φ = 35737739792384.

The previous prime is 140042140021319. The next prime is 140042140021369. The reversal of 140042140021320 is 23120041240041.

It is a super-2 number, since 2×140042140021320² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177668682 + ... + 178455161.

It is an arithmetic number, because the mean of its divisors is an integer number (3425466224475).

Almost surely, 2^{140042140021320} is an apocalyptic number.

140042140021320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140042140021320 is an abundant number, since it is smaller than the sum of its proper divisors (298417536711480).

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

140042140021320 is a wasteful number, since it uses less digits than its factorization.

140042140021320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356123999 (or 356123995 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 140042140021320 its reverse (23120041240041), we get a palindrome (163162181261361).

The spelling of 140042140021320 in words is "one hundred forty trillion, forty-two billion, one hundred forty million, twenty-one thousand, three hundred twenty".