142240235313 has 16 divisors (see below), whose sum is σ = 208474244352. Its totient is φ = 85548138000.

The previous prime is 142240235309. The next prime is 142240235323. The reversal of 142240235313 is 313532042241.

It is not a de Polignac number, because 142240235313 - 2² = 142240235309 is a prime.

It is a super-2 number, since 2×142240235313² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142240235323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16447243 + ... + 16455888.

It is an arithmetic number, because the mean of its divisors is an integer number (13029640272).

Almost surely, 2^142240235313 is an apocalyptic number.

It is an amenable number.

142240235313 is a deficient number, since it is larger than the sum of its proper divisors (66234009039).

142240235313 is a wasteful number, since it uses less digits than its factorization.

142240235313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32903276.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 142240235313 its reverse (313532042241), we get a palindrome (455772277554).

The spelling of 142240235313 in words is "one hundred forty-two billion, two hundred forty million, two hundred thirty-five thousand, three hundred thirteen".