133487962155 has 24 divisors (see below), whose sum is σ = 237022531200. Its totient is φ = 69457150080.

The previous prime is 133487962109. The next prime is 133487962169. The reversal of 133487962155 is 551269784331.

It is a happy number.

133487962155 is a `hidden beast` number, since 1 + 3 + 3 + 4 + 8 + 7 + 9 + 621 + 5 + 5 = 666.

It is not a de Polignac number, because 133487962155 - 2¹¹ = 133487960107 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36173755 + ... + 36177444.

It is an arithmetic number, because the mean of its divisors is an integer number (9875938800).

Almost surely, 2^133487962155 is an apocalyptic number.

133487962155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133487962155 is a deficient number, since it is larger than the sum of its proper divisors (103534569045).

133487962155 is a wasteful number, since it uses less digits than its factorization.

133487962155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72351251 (or 72351248 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The spelling of 133487962155 in words is "one hundred thirty-three billion, four hundred eighty-seven million, nine hundred sixty-two thousand, one hundred fifty-five".