133040934487 has 4 divisors (see below), whose sum is σ = 135295865640. Its totient is φ = 130786003336.

The previous prime is 133040934479. The next prime is 133040934613. The reversal of 133040934487 is 784439040331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133040934487 - 2³ = 133040934479 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 (133040934427) 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, 1127465488 + ... + 1127465605.

It is an arithmetic number, because the mean of its divisors is an integer number (33823966410).

Almost surely, 2^133040934487 is an apocalyptic number.

133040934487 is a deficient number, since it is larger than the sum of its proper divisors (2254931153).

133040934487 is an equidigital number, since it uses as much as digits as its factorization.

133040934487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254931152.

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 133040934487 in words is "one hundred thirty-three billion, forty million, nine hundred thirty-four thousand, four hundred eighty-seven".