133736715 has 48 divisors (see below), whose sum is σ = 267091968. Its totient is φ = 60637248.

The previous prime is 133736699. The next prime is 133736717. The reversal of 133736715 is 517637331.

It is a happy number.

It is not a de Polignac number, because 133736715 - 2⁴ = 133736699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133736715.

It is not an unprimeable number, because it can be changed into a prime (133736717) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38334 + ... + 41676.

It is an arithmetic number, because the mean of its divisors is an integer number (5564416).

Almost surely, 2^133736715 is an apocalyptic number.

133736715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133736715 is a deficient number, since it is larger than the sum of its proper divisors (133355253).

133736715 is a wasteful number, since it uses less digits than its factorization.

133736715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3488 (or 3485 counting only the distinct ones).

The product of its digits is 39690, while the sum is 36.

The square root of 133736715 is about 11564.4591313213. The cubic root of 133736715 is about 511.3876282131.

The spelling of 133736715 in words is "one hundred thirty-three million, seven hundred thirty-six thousand, seven hundred fifteen".