1361106290 has 16 divisors (see below), whose sum is σ = 2450611800. Its totient is φ = 544304640.

The previous prime is 1361106289. The next prime is 1361106311. The reversal of 1361106290 is 926011631.

It can be written as a sum of positive squares in 4 ways, for example, as 1262878369 + 98227921 = 35537^2 + 9911^2 .

It is a super-2 number, since 2×1361106290² = 3705220665355128200, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 30530 + ... + 60450.

Almost surely, 2^1361106290 is an apocalyptic number.

1361106290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1361106290 is a deficient number, since it is larger than the sum of its proper divisors (1089505510).

1361106290 is a wasteful number, since it uses less digits than its factorization.

1361106290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34477.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1361106290 is about 36893.1740298934. The cubic root of 1361106290 is about 1108.2319850544.

The spelling of 1361106290 in words is "one billion, three hundred sixty-one million, one hundred six thousand, two hundred ninety".