612444134 has 4 divisors (see below), whose sum is σ = 918666204. Its totient is φ = 306222066.

The previous prime is 612444073. The next prime is 612444137. The reversal of 612444134 is 431444216.

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

It is a junction number, because it is equal to n+sod(n) for n = 612444097 and 612444106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612444137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153111032 + ... + 153111035.

It is an arithmetic number, because the mean of its divisors is an integer number (229666551).

Almost surely, 2^612444134 is an apocalyptic number.

612444134 is a deficient number, since it is larger than the sum of its proper divisors (306222070).

612444134 is a wasteful number, since it uses less digits than its factorization.

612444134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306222069.

The product of its digits is 9216, while the sum is 29.

The square root of 612444134 is about 24747.6086521506. The cubic root of 612444134 is about 849.2238053742.

The spelling of 612444134 in words is "six hundred twelve million, four hundred forty-four thousand, one hundred thirty-four".