148695835121 has 2 divisors, whose sum is σ = 148695835122. Its totient is φ = 148695835120.

The previous prime is 148695835117. The next prime is 148695835151. The reversal of 148695835121 is 121538596841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132397738225 + 16298096896 = 363865^2 + 127664^2 .

It is a cyclic number.

It is not a de Polignac number, because 148695835121 - 2² = 148695835117 is a prime.

It is a super-2 number, since 2×148695835121² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (148695835151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74347917560 + 74347917561.

It is an arithmetic number, because the mean of its divisors is an integer number (74347917561).

Almost surely, 2^148695835121 is an apocalyptic number.

It is an amenable number.

148695835121 is a deficient number, since it is larger than the sum of its proper divisors (1).

148695835121 is an equidigital number, since it uses as much as digits as its factorization.

148695835121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2073600, while the sum is 53.

The spelling of 148695835121 in words is "one hundred forty-eight billion, six hundred ninety-five million, eight hundred thirty-five thousand, one hundred twenty-one".