133986973122 has 30 divisors (see below), whose sum is σ = 300240509283. Its totient is φ = 44660771388.

The previous prime is 133986973103. The next prime is 133986973147. The reversal of 133986973122 is 221379689331.

133986973122 is a `hidden beast` number, since 1 + 3 + 398 + 69 + 73 + 122 = 666.

It can be written as a sum of positive squares in only one way, i.e., 66993486561 + 66993486561 = 258831^2 + 258831^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=258831.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 4644579 + ... + 4673337.

Almost surely, 2^133986973122 is an apocalyptic number.

133986973122 is an abundant number, since it is smaller than the sum of its proper divisors (166253536161).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133986973122 is an frugal number, since it uses more digits than its factorization.

133986973122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57532 (or 28764 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The spelling of 133986973122 in words is "one hundred thirty-three billion, nine hundred eighty-six million, nine hundred seventy-three thousand, one hundred twenty-two".