612135613236 has 24 divisors (see below), whose sum is σ = 1632361635520. Its totient is φ = 174895889472.

The previous prime is 612135613189. The next prime is 612135613241. The reversal of 612135613236 is 632316531216.

It is a junction number, because it is equal to n+sod(n) for n = 612135613194 and 612135613203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3643664281 + ... + 3643664448.

Almost surely, 2^612135613236 is an apocalyptic number.

It is an amenable number.

612135613236 is an abundant number, since it is smaller than the sum of its proper divisors (1020226022284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

612135613236 is a wasteful number, since it uses less digits than its factorization.

612135613236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7287328743 (or 7287328741 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The spelling of 612135613236 in words is "six hundred twelve billion, one hundred thirty-five million, six hundred thirteen thousand, two hundred thirty-six".