591390142 has 8 divisors (see below), whose sum is σ = 1013811696. Its totient is φ = 253452912.

The previous prime is 591390139. The next prime is 591390187. The reversal of 591390142 is 241093195.

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

It is a junction number, because it is equal to n+sod(n) for n = 591390098 and 591390107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21121063 + ... + 21121090.

It is an arithmetic number, because the mean of its divisors is an integer number (126726462).

Almost surely, 2^591390142 is an apocalyptic number.

591390142 is a deficient number, since it is larger than the sum of its proper divisors (422421554).

591390142 is a wasteful number, since it uses less digits than its factorization.

591390142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42242162.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 591390142 is about 24318.5143871907. The cubic root of 591390142 is about 839.3788595922.

It can be divided in two parts, 5913901 and 42, that multiplied together give a palindrome (248383842).

The spelling of 591390142 in words is "five hundred ninety-one million, three hundred ninety thousand, one hundred forty-two".