461133137 has 2 divisors, whose sum is σ = 461133138. Its totient is φ = 461133136.

The previous prime is 461133133. The next prime is 461133181. The reversal of 461133137 is 731331164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 373223761 + 87909376 = 19319^2 + 9376^2 .

It is a cyclic number.

It is not a de Polignac number, because 461133137 - 2² = 461133133 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (461133133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230566568 + 230566569.

It is an arithmetic number, because the mean of its divisors is an integer number (230566569).

Almost surely, 2^461133137 is an apocalyptic number.

It is an amenable number.

461133137 is a deficient number, since it is larger than the sum of its proper divisors (1).

461133137 is an equidigital number, since it uses as much as digits as its factorization.

461133137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 29.

The square root of 461133137 is about 21474.0107339081. The cubic root of 461133137 is about 772.5775972435.

The spelling of 461133137 in words is "four hundred sixty-one million, one hundred thirty-three thousand, one hundred thirty-seven".