151366405133 has 4 divisors (see below), whose sum is σ = 151398968700. Its totient is φ = 151333841568.

The previous prime is 151366405109. The next prime is 151366405139. The reversal of 151366405133 is 331504663151.

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 147178115044 + 4188290089 = 383638^2 + 64717^2 .

It is a cyclic number.

It is not a de Polignac number, because 151366405133 - 2¹² = 151366401037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151366405139) 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, 16274810 + ... + 16284107.

It is an arithmetic number, because the mean of its divisors is an integer number (37849742175).

Almost surely, 2^151366405133 is an apocalyptic number.

It is an amenable number.

151366405133 is a deficient number, since it is larger than the sum of its proper divisors (32563567).

151366405133 is an equidigital number, since it uses as much as digits as its factorization.

151366405133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32563566.

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 151366405133 in words is "one hundred fifty-one billion, three hundred sixty-six million, four hundred five thousand, one hundred thirty-three".