1135401617 has 4 divisors (see below), whose sum is σ = 1297601856. Its totient is φ = 973201380.

The previous prime is 1135401613. The next prime is 1135401653. The reversal of 1135401617 is 7161045311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1135401617 - 2² = 1135401613 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1135401617.

It is not an unprimeable number, because it can be changed into a prime (1135401613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81100109 + ... + 81100122.

It is an arithmetic number, because the mean of its divisors is an integer number (324400464).

Almost surely, 2^1135401617 is an apocalyptic number.

It is an amenable number.

1135401617 is a deficient number, since it is larger than the sum of its proper divisors (162200239).

1135401617 is an equidigital number, since it uses as much as digits as its factorization.

1135401617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162200238.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 1135401617 is about 33695.7210488216. The cubic root of 1135401617 is about 1043.2374513264.

Adding to 1135401617 its reverse (7161045311), we get a palindrome (8296446928).

The spelling of 1135401617 in words is "one billion, one hundred thirty-five million, four hundred one thousand, six hundred seventeen".