133997764486 has 8 divisors (see below), whose sum is σ = 203540908320. Its totient is φ = 66150795048.

The previous prime is 133997764421. The next prime is 133997764487. The reversal of 133997764486 is 684467799331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133997764487) 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, 424043401 + ... + 424043716.

It is an arithmetic number, because the mean of its divisors is an integer number (25442613540).

Almost surely, 2^133997764486 is an apocalyptic number.

133997764486 is a deficient number, since it is larger than the sum of its proper divisors (69543143834).

133997764486 is an equidigital number, since it uses as much as digits as its factorization.

133997764486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848087198.

The product of its digits is 164602368, while the sum is 67.

The spelling of 133997764486 in words is "one hundred thirty-three billion, nine hundred ninety-seven million, seven hundred sixty-four thousand, four hundred eighty-six".