1361106291 has 8 divisors (see below), whose sum is σ = 1815010704. Its totient is φ = 907303040.

The previous prime is 1361106289. The next prime is 1361106311. The reversal of 1361106291 is 1926011631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1361106291 - 2¹ = 1361106289 is a prime.

It is a super-2 number, since 2×1361106291² = 3705220670799553362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1361106251) 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, 15511 + ... + 54431.

It is an arithmetic number, because the mean of its divisors is an integer number (226876338).

Almost surely, 2^1361106291 is an apocalyptic number.

1361106291 is a deficient number, since it is larger than the sum of its proper divisors (453904413).

1361106291 is a wasteful number, since it uses less digits than its factorization.

1361106291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50581.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1361106291 is about 36893.1740434460. The cubic root of 1361106291 is about 1108.2319853258.

It can be divided in two parts, 13611062 and 91, that added together give a triangular number (13611153 = T₅₂₁₇).

The spelling of 1361106291 in words is "one billion, three hundred sixty-one million, one hundred six thousand, two hundred ninety-one".