133115156401 has 8 divisors (see below), whose sum is σ = 133456408704. Its totient is φ = 132774054960.

The previous prime is 133115156387. The next prime is 133115156443. The reversal of 133115156401 is 104651511331.

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 133115156401 - 2²⁵ = 133081601969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133115157401) 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, 1849450 + ... + 1920076.

It is an arithmetic number, because the mean of its divisors is an integer number (16682051088).

Almost surely, 2^133115156401 is an apocalyptic number.

It is an amenable number.

133115156401 is a deficient number, since it is larger than the sum of its proper divisors (341252303).

133115156401 is an equidigital number, since it uses as much as digits as its factorization.

133115156401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75431.

The product of its (nonzero) digits is 5400, while the sum is 31.

Adding to 133115156401 its reverse (104651511331), we get a palindrome (237766667732).

The spelling of 133115156401 in words is "one hundred thirty-three billion, one hundred fifteen million, one hundred fifty-six thousand, four hundred one".