1865350134 has 96 divisors (see below), whose sum is σ = 4286265984. Its totient is φ = 607875840.

The previous prime is 1865350037. The next prime is 1865350189. The reversal of 1865350134 is 4310535681.

It is a super-2 number, since 2×1865350134² = 6959062244827635912, which contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 5284102 + ... + 5284454.

It is an arithmetic number, because the mean of its divisors is an integer number (44648604).

Almost surely, 2^1865350134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1865350134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2143132992).

1865350134 is an abundant number, since it is smaller than the sum of its proper divisors (2420915850).

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

1865350134 is a wasteful number, since it uses less digits than its factorization.

1865350134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1865350134 is about 43189.6993969627. The cubic root of 1865350134 is about 1230.9869651242.

The spelling of 1865350134 in words is "one billion, eight hundred sixty-five million, three hundred fifty thousand, one hundred thirty-four".