1146236413 has 4 divisors (see below), whose sum is σ = 1309984480. Its totient is φ = 982488348.

The previous prime is 1146236411. The next prime is 1146236417. The reversal of 1146236413 is 3146326411.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3146326411 = 7001 ⋅449411.

It is a cyclic number.

It is not a de Polignac number, because 1146236413 - 2¹ = 1146236411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146236411) 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, 81874023 + ... + 81874036.

It is an arithmetic number, because the mean of its divisors is an integer number (327496120).

Almost surely, 2^1146236413 is an apocalyptic number.

It is an amenable number.

1146236413 is a deficient number, since it is larger than the sum of its proper divisors (163748067).

1146236413 is an equidigital number, since it uses as much as digits as its factorization.

1146236413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163748066.

The product of its digits is 10368, while the sum is 31.

The square root of 1146236413 is about 33856.1133770550. The cubic root of 1146236413 is about 1046.5453850280.

The spelling of 1146236413 in words is "one billion, one hundred forty-six million, two hundred thirty-six thousand, four hundred thirteen".