1934180136 has 144 divisors (see below), whose sum is σ = 6130811700. Its totient is φ = 549255168.

The previous prime is 1934180093. The next prime is 1934180153. The reversal of 1934180136 is 6310814391.

It can be written as a sum of positive squares in 2 ways, for example, as 1615557636 + 318622500 = 40194^2 + 17850^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1934180136.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 608760 + ... + 611928.

Almost surely, 2^1934180136 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 1934180136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3065405850).

1934180136 is an abundant number, since it is smaller than the sum of its proper divisors (4196631564).

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

1934180136 is a wasteful number, since it uses less digits than its factorization.

1934180136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3368 (or 3354 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1934180136 is about 43979.3148650590. The cubic root of 1934180136 is about 1245.9452907006.

The spelling of 1934180136 in words is "one billion, nine hundred thirty-four million, one hundred eighty thousand, one hundred thirty-six".