1146535631 has 8 divisors (see below), whose sum is σ = 1153789728. Its totient is φ = 1139292000.

The previous prime is 1146535627. The next prime is 1146535657. The reversal of 1146535631 is 1365356411.

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 1146535631 - 2² = 1146535627 is a prime.

It is a super-2 number, since 2×1146535631² = 2629087906305136322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1146535591 and 1146535600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146535331) 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, 416921 + ... + 419661.

It is an arithmetic number, because the mean of its divisors is an integer number (144223716).

Almost surely, 2^1146535631 is an apocalyptic number.

1146535631 is a deficient number, since it is larger than the sum of its proper divisors (7254097).

1146535631 is a wasteful number, since it uses less digits than its factorization.

1146535631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5233.

The product of its digits is 32400, while the sum is 35.

The square root of 1146535631 is about 33860.5320542959. The cubic root of 1146535631 is about 1046.6364418610.

The spelling of 1146535631 in words is "one billion, one hundred forty-six million, five hundred thirty-five thousand, six hundred thirty-one".