133971157127 has 8 divisors (see below), whose sum is σ = 142132684800. Its totient is φ = 125920670904.

The previous prime is 133971157121. The next prime is 133971157147. The reversal of 133971157127 is 721751179331.

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 133971157127 - 2⁶ = 133971157063 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 (133971157121) 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, 27757877 + ... + 27762702.

It is an arithmetic number, because the mean of its divisors is an integer number (17766585600).

Almost surely, 2^133971157127 is an apocalyptic number.

133971157127 is a deficient number, since it is larger than the sum of its proper divisors (8161527673).

133971157127 is a wasteful number, since it uses less digits than its factorization.

133971157127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55520725.

The product of its digits is 277830, while the sum is 47.

The spelling of 133971157127 in words is "one hundred thirty-three billion, nine hundred seventy-one million, one hundred fifty-seven thousand, one hundred twenty-seven".