1146135197 has 4 divisors (see below), whose sum is σ = 1174089756. Its totient is φ = 1118180640.

The previous prime is 1146135181. The next prime is 1146135227. The reversal of 1146135197 is 7915316411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 502701241 + 643433956 = 22421^2 + 25366^2 .

It is a cyclic number.

It is not a de Polignac number, because 1146135197 - 2⁴ = 1146135181 is a prime.

It is a super-3 number, since 3×1146135197³ (a number of 28 digits) contains 333 as substring.

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 1146135197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146135167) 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, 13977218 + ... + 13977299.

It is an arithmetic number, because the mean of its divisors is an integer number (293522439).

Almost surely, 2^1146135197 is an apocalyptic number.

It is an amenable number.

1146135197 is a deficient number, since it is larger than the sum of its proper divisors (27954559).

1146135197 is an equidigital number, since it uses as much as digits as its factorization.

1146135197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27954558.

The product of its digits is 22680, while the sum is 38.

The square root of 1146135197 is about 33854.6185475483. The cubic root of 1146135197 is about 1046.5145797902.

The spelling of 1146135197 in words is "one billion, one hundred forty-six million, one hundred thirty-five thousand, one hundred ninety-seven".