1960135890 has 64 divisors (see below), whose sum is σ = 4869227520. Its totient is φ = 504472320.

The previous prime is 1960135873. The next prime is 1960135927. The reversal of 1960135890 is 985310691.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 366556 + ... + 371864.

It is an arithmetic number, because the mean of its divisors is an integer number (76081680).

Almost surely, 2^1960135890 is an apocalyptic number.

1960135890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1960135890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2434613760).

1960135890 is an abundant number, since it is smaller than the sum of its proper divisors (2909091630).

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

1960135890 is a wasteful number, since it uses less digits than its factorization.

1960135890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5747.

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 1960135890 is about 44273.4219368686. The cubic root of 1960135890 is about 1251.4938705029.

The spelling of 1960135890 in words is "one billion, nine hundred sixty million, one hundred thirty-five thousand, eight hundred ninety".