133830137783 has 4 divisors (see below), whose sum is σ = 135524190240. Its totient is φ = 132136085328.

The previous prime is 133830137747. The next prime is 133830137801. The reversal of 133830137783 is 387731038331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133830137783 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 (133830137383) 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, 847026110 + ... + 847026267.

It is an arithmetic number, because the mean of its divisors is an integer number (33881047560).

Almost surely, 2^133830137783 is an apocalyptic number.

133830137783 is a deficient number, since it is larger than the sum of its proper divisors (1694052457).

133830137783 is an equidigital number, since it uses as much as digits as its factorization.

133830137783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694052456.

The product of its (nonzero) digits is 762048, while the sum is 47.

The spelling of 133830137783 in words is "one hundred thirty-three billion, eight hundred thirty million, one hundred thirty-seven thousand, seven hundred eighty-three".