65142119 has 18 divisors (see below), whose sum is σ = 77688720. Its totient is φ = 54461736.

The previous prime is 65142101. The next prime is 65142131. The reversal of 65142119 is 91124156.

It is not a de Polignac number, because 65142119 - 2⁸ = 65141863 is a prime.

It is a super-2 number, since 2×65142119² = 8486991335620322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65142091 and 65142100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65142139) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 90242 + ... + 90960.

It is an arithmetic number, because the mean of its divisors is an integer number (4316040).

Almost surely, 2^65142119 is an apocalyptic number.

65142119 is a deficient number, since it is larger than the sum of its proper divisors (12546601).

65142119 is an equidigital number, since it uses as much as digits as its factorization.

65142119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819 (or 769 counting only the distinct ones).

The product of its digits is 2160, while the sum is 29.

The square root of 65142119 is about 8071.0667820307. The cubic root of 65142119 is about 402.3653992273.

The spelling of 65142119 in words is "sixty-five million, one hundred forty-two thousand, one hundred nineteen".