133309212145 has 16 divisors (see below), whose sum is σ = 160271939520. Its totient is φ = 106446902464.

The previous prime is 133309212139. The next prime is 133309212163. The reversal of 133309212145 is 541212903331.

It is a cyclic number.

It is not a de Polignac number, because 133309212145 - 2¹³ = 133309203953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133309212145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12110214 + ... + 12121216.

It is an arithmetic number, because the mean of its divisors is an integer number (10016996220).

Almost surely, 2^133309212145 is an apocalyptic number.

It is an amenable number.

133309212145 is a deficient number, since it is larger than the sum of its proper divisors (26962727375).

133309212145 is a wasteful number, since it uses less digits than its factorization.

133309212145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15344.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 133309212145 in words is "one hundred thirty-three billion, three hundred nine million, two hundred twelve thousand, one hundred forty-five".