309134120734 has 16 divisors (see below), whose sum is σ = 464279977440. Its totient is φ = 154374219360.

The previous prime is 309134120717. The next prime is 309134120753. The reversal of 309134120734 is 437021431903.

It is a junction number, because it is equal to n+sod(n) for n = 309134120693 and 309134120702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7531732 + ... + 7572664.

It is an arithmetic number, because the mean of its divisors is an integer number (29017498590).

Almost surely, 2^309134120734 is an apocalyptic number.

309134120734 is a deficient number, since it is larger than the sum of its proper divisors (155145856706).

309134120734 is a wasteful number, since it uses less digits than its factorization.

309134120734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45555.

The product of its (nonzero) digits is 54432, while the sum is 37.

The spelling of 309134120734 in words is "three hundred nine billion, one hundred thirty-four million, one hundred twenty thousand, seven hundred thirty-four".