672148133 has 2 divisors, whose sum is σ = 672148134. Its totient is φ = 672148132.

The previous prime is 672148117. The next prime is 672148177. The reversal of 672148133 is 331841276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 405740449 + 266407684 = 20143^2 + 16322^2 .

It is a cyclic number.

It is not a de Polignac number, because 672148133 - 2⁴ = 672148117 is a prime.

It is a super-2 number, since 2×672148133² = 903566225390771378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 672148093 and 672148102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672148033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336074066 + 336074067.

It is an arithmetic number, because the mean of its divisors is an integer number (336074067).

Almost surely, 2^672148133 is an apocalyptic number.

It is an amenable number.

672148133 is a deficient number, since it is larger than the sum of its proper divisors (1).

672148133 is an equidigital number, since it uses as much as digits as its factorization.

672148133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 672148133 is about 25925.8198134601. The cubic root of 672148133 is about 875.9681834979.

The spelling of 672148133 in words is "six hundred seventy-two million, one hundred forty-eight thousand, one hundred thirty-three".