612230136 has 128 divisors (see below), whose sum is σ = 1844467200. Its totient is φ = 165634560.

The previous prime is 612230093. The next prime is 612230137. The reversal of 612230136 is 631032216.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612230137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 257031 + ... + 259401.

It is an arithmetic number, because the mean of its divisors is an integer number (14409900).

Almost surely, 2^612230136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612230136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (922233600).

612230136 is an abundant number, since it is smaller than the sum of its proper divisors (1232237064).

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

612230136 is a wasteful number, since it uses less digits than its factorization.

612230136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469 (or 2465 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 612230136 is about 24743.2846647328. The cubic root of 612230136 is about 849.1248829546.

The spelling of 612230136 in words is "six hundred twelve million, two hundred thirty thousand, one hundred thirty-six".