234139127 has 4 divisors (see below), whose sum is σ = 242212920. Its totient is φ = 226065336.

The previous prime is 234139123. The next prime is 234139133. The reversal of 234139127 is 721931432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 234139127 - 2² = 234139123 is a prime.

It is a super-2 number, since 2×234139127² = 109642261584644258, 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 = 234139093 and 234139102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234139123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4036853 + ... + 4036910.

It is an arithmetic number, because the mean of its divisors is an integer number (60553230).

Almost surely, 2^234139127 is an apocalyptic number.

234139127 is a deficient number, since it is larger than the sum of its proper divisors (8073793).

234139127 is an equidigital number, since it uses as much as digits as its factorization.

234139127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8073792.

The product of its digits is 9072, while the sum is 32.

The square root of 234139127 is about 15301.6053732934. The cubic root of 234139127 is about 616.3461179272.

The spelling of 234139127 in words is "two hundred thirty-four million, one hundred thirty-nine thousand, one hundred twenty-seven".