965638142 has 8 divisors (see below), whose sum is σ = 1655379696. Its totient is φ = 413844912.

The previous prime is 965638139. The next prime is 965638169. The reversal of 965638142 is 241836569.

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 = 965638093 and 965638102.

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, 34487063 + ... + 34487090.

It is an arithmetic number, because the mean of its divisors is an integer number (206922462).

Almost surely, 2^965638142 is an apocalyptic number.

965638142 is a deficient number, since it is larger than the sum of its proper divisors (689741554).

965638142 is a wasteful number, since it uses less digits than its factorization.

965638142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68974162.

The product of its digits is 311040, while the sum is 44.

The square root of 965638142 is about 31074.7186954283. The cubic root of 965638142 is about 988.4122909795.

The spelling of 965638142 in words is "nine hundred sixty-five million, six hundred thirty-eight thousand, one hundred forty-two".