142135531241 has 8 divisors (see below), whose sum is σ = 155067242400. Its totient is φ = 129205536640.

The previous prime is 142135531231. The next prime is 142135531301.

142135531241 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142135531241 is a prime.

It is a super-2 number, since 2×142135531241² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142135531198 and 142135531207.

It is not an unprimeable number, because it can be changed into a prime (142135531201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252851 + ... + 590088.

It is an arithmetic number, because the mean of its divisors is an integer number (19383405300).

Almost surely, 2^142135531241 is an apocalyptic number.

142135531241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142135531241 is a deficient number, since it is larger than the sum of its proper divisors (12931711159).

142135531241 is a wasteful number, since it uses less digits than its factorization.

142135531241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858279.

The product of its digits is 14400, while the sum is 32.

It can be divided in two parts, 142135 and 531241, that added together give a palindrome (673376).

The spelling of 142135531241 in words is "one hundred forty-two billion, one hundred thirty-five million, five hundred thirty-one thousand, two hundred forty-one".