1890131060 has 24 divisors (see below), whose sum is σ = 4202762760. Its totient is φ = 711578624.

The previous prime is 1890131059. The next prime is 1890131063. The reversal of 1890131060 is 601310981.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 227285776 + 1662845284 = 15076^2 + 40778^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1890131063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2779265 + ... + 2779944.

It is an arithmetic number, because the mean of its divisors is an integer number (175115115).

Almost surely, 2^1890131060 is an apocalyptic number.

1890131060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1890131060 is an abundant number, since it is smaller than the sum of its proper divisors (2312631700).

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

1890131060 is a wasteful number, since it uses less digits than its factorization.

1890131060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5559235 (or 5559233 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1890131060 is about 43475.6375456416. The cubic root of 1890131060 is about 1236.4141678879.

The spelling of 1890131060 in words is "one billion, eight hundred ninety million, one hundred thirty-one thousand, sixty".