133745507777 has 8 divisors (see below), whose sum is σ = 152854838016. Its totient is φ = 114636884832.

The previous prime is 133745507759. The next prime is 133745507809. The reversal of 133745507777 is 777705547331.

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

It is a cyclic number.

It is not a de Polignac number, because 133745507777 - 2⁶ = 133745507713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133745507737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322328 + ... + 609414.

It is an arithmetic number, because the mean of its divisors is an integer number (19106854752).

Almost surely, 2^133745507777 is an apocalyptic number.

It is an amenable number.

133745507777 is a deficient number, since it is larger than the sum of its proper divisors (19109330239).

133745507777 is an equidigital number, since it uses as much as digits as its factorization.

133745507777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353647.

The product of its (nonzero) digits is 15126300, while the sum is 56.

The spelling of 133745507777 in words is "one hundred thirty-three billion, seven hundred forty-five million, five hundred seven thousand, seven hundred seventy-seven".