234156749 has 2 divisors, whose sum is σ = 234156750. Its totient is φ = 234156748.

The previous prime is 234156719. The next prime is 234156751. The reversal of 234156749 is 947651432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233875849 + 280900 = 15293^2 + 530^2 .

It is a cyclic number.

It is not a de Polignac number, because 234156749 - 2⁸ = 234156493 is a prime.

Together with 234156751, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234156719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117078374 + 117078375.

It is an arithmetic number, because the mean of its divisors is an integer number (117078375).

Almost surely, 2^234156749 is an apocalyptic number.

It is an amenable number.

234156749 is a deficient number, since it is larger than the sum of its proper divisors (1).

234156749 is an equidigital number, since it uses as much as digits as its factorization.

234156749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 41.

The square root of 234156749 is about 15302.1811843933. The cubic root of 234156749 is about 616.3615802137.

The spelling of 234156749 in words is "two hundred thirty-four million, one hundred fifty-six thousand, seven hundred forty-nine".