7201137133 has 2 divisors, whose sum is σ = 7201137134. Its totient is φ = 7201137132.

The previous prime is 7201137127. The next prime is 7201137143. The reversal of 7201137133 is 3317311027.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7184596644 + 16540489 = 84762^2 + 4067^2 .

It is an emirp because it is prime and its reverse (3317311027) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7201137133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7201137143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3600568566 + 3600568567.

It is an arithmetic number, because the mean of its divisors is an integer number (3600568567).

Almost surely, 2^7201137133 is an apocalyptic number.

It is an amenable number.

7201137133 is a deficient number, since it is larger than the sum of its proper divisors (1).

7201137133 is an equidigital number, since it uses as much as digits as its factorization.

7201137133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 7201137133 is about 84859.5140983025. The cubic root of 7201137133 is about 1931.0804203267.

The spelling of 7201137133 in words is "seven billion, two hundred one million, one hundred thirty-seven thousand, one hundred thirty-three".