133938077611 has 4 divisors (see below), whose sum is σ = 144241006672. Its totient is φ = 123635148552.

The previous prime is 133938077579. The next prime is 133938077641. The reversal of 133938077611 is 116770839331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 116770839331 = 19 ⋅6145833649.

It is a cyclic number.

It is not a de Polignac number, because 133938077611 - 2⁵ = 133938077579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133938077641) 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, 5151464511 + ... + 5151464536.

It is an arithmetic number, because the mean of its divisors is an integer number (36060251668).

Almost surely, 2^133938077611 is an apocalyptic number.

133938077611 is a deficient number, since it is larger than the sum of its proper divisors (10302929061).

133938077611 is a wasteful number, since it uses less digits than its factorization.

133938077611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10302929060.

The product of its (nonzero) digits is 571536, while the sum is 49.

The spelling of 133938077611 in words is "one hundred thirty-three billion, nine hundred thirty-eight million, seventy-seven thousand, six hundred eleven".