133678101 has 4 divisors (see below), whose sum is σ = 178237472. Its totient is φ = 89118732.

The previous prime is 133678087. The next prime is 133678117. The reversal of 133678101 is 101876331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 133678101 - 2¹⁸ = 133415957 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 (133678141) 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, 22279681 + ... + 22279686.

It is an arithmetic number, because the mean of its divisors is an integer number (44559368).

Almost surely, 2^133678101 is an apocalyptic number.

It is an amenable number.

133678101 is a deficient number, since it is larger than the sum of its proper divisors (44559371).

133678101 is an equidigital number, since it uses as much as digits as its factorization.

133678101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44559370.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 133678101 is about 11561.9246235218. The cubic root of 133678101 is about 511.3129071350.

The spelling of 133678101 in words is "one hundred thirty-three million, six hundred seventy-eight thousand, one hundred one".