142240121135504 has 160 divisors (see below), whose sum is σ = 334751430537216. Its totient is φ = 57235083333120.

The previous prime is 142240121135491. The next prime is 142240121135579. The reversal of 142240121135504 is 405531121042241.

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, 39804374 + ... + 43230410.

Almost surely, 2^{142240121135504} is an apocalyptic number.

142240121135504 is a gapful number since it is divisible by the number (14) 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 142240121135504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167375715268608).

142240121135504 is an abundant number, since it is smaller than the sum of its proper divisors (192511309401712).

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

142240121135504 is a wasteful number, since it uses less digits than its factorization.

142240121135504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3426373 (or 3426367 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 142240121135504 its reverse (405531121042241), we get a palindrome (547771242177745).

The spelling of 142240121135504 in words is "one hundred forty-two trillion, two hundred forty billion, one hundred twenty-one million, one hundred thirty-five thousand, five hundred four".