190120764 has 48 divisors (see below), whose sum is σ = 468231680. Its totient is φ = 59875200.

The previous prime is 190120757. The next prime is 190120793. The reversal of 190120764 is 467021091.

It is a happy number.

190120764 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×190120764² = 72291809807887392, 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104664 + ... + 106464.

Almost surely, 2^190120764 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 190120764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234115840).

190120764 is an abundant number, since it is smaller than the sum of its proper divisors (278110916).

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

190120764 is a wasteful number, since it uses less digits than its factorization.

190120764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290 (or 2288 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 190120764 is about 13788.4286269321. The cubic root of 190120764 is about 575.0114820644.

The spelling of 190120764 in words is "one hundred ninety million, one hundred twenty thousand, seven hundred sixty-four".