142388313 has 8 divisors (see below), whose sum is σ = 190646400. Its totient is φ = 94527888.

The previous prime is 142388297. The next prime is 142388371. The reversal of 142388313 is 313883241.

142388313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 142388313 - 2⁴ = 142388297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142388383) 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, 98578 + ... + 100011.

It is an arithmetic number, because the mean of its divisors is an integer number (23830800).

Almost surely, 2^142388313 is an apocalyptic number.

It is an amenable number.

142388313 is a deficient number, since it is larger than the sum of its proper divisors (48258087).

142388313 is a wasteful number, since it uses less digits than its factorization.

142388313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198831.

The product of its digits is 13824, while the sum is 33.

The square root of 142388313 is about 11932.6574156807. The cubic root of 142388313 is about 522.1854679245.

The spelling of 142388313 in words is "one hundred forty-two million, three hundred eighty-eight thousand, three hundred thirteen".