133557003763 has 4 divisors (see below), whose sum is σ = 141413298120. Its totient is φ = 125700709408.

The previous prime is 133557003757. The next prime is 133557003823. The reversal of 133557003763 is 367300755331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 367300755331 = 89 ⋅4126974779.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133557003763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133557003863) 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, 3928147153 + ... + 3928147186.

It is an arithmetic number, because the mean of its divisors is an integer number (35353324530).

Almost surely, 2^133557003763 is an apocalyptic number.

133557003763 is a deficient number, since it is larger than the sum of its proper divisors (7856294357).

133557003763 is an equidigital number, since it uses as much as digits as its factorization.

133557003763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7856294356.

The product of its (nonzero) digits is 595350, while the sum is 43.

The spelling of 133557003763 in words is "one hundred thirty-three billion, five hundred fifty-seven million, three thousand, seven hundred sixty-three".