234144540613 has 4 divisors (see below), whose sum is σ = 238562362188. Its totient is φ = 229726719040.

The previous prime is 234144540547. The next prime is 234144540631. The reversal of 234144540613 is 316045441432.

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

It can be written as a sum of positive squares in 2 ways, for example, as 104055920929 + 130088619684 = 322577^2 + 360678^2 .

It is a cyclic number.

It is not a de Polignac number, because 234144540613 - 2²⁵ = 234110986181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234144543613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2208910708 + ... + 2208910813.

It is an arithmetic number, because the mean of its divisors is an integer number (59640590547).

Almost surely, 2^234144540613 is an apocalyptic number.

It is an amenable number.

234144540613 is a deficient number, since it is larger than the sum of its proper divisors (4417821575).

234144540613 is an equidigital number, since it uses as much as digits as its factorization.

234144540613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4417821574.

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 234144540613 in words is "two hundred thirty-four billion, one hundred forty-four million, five hundred forty thousand, six hundred thirteen".