133979846 has 32 divisors (see below), whose sum is σ = 269837568. Its totient is φ = 48183840.

The previous prime is 133979843. The next prime is 133979891. The reversal of 133979846 is 648979331.

It is a junction number, because it is equal to n+sod(n) for n = 133979794 and 133979803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133979843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31460 + ... + 35463.

It is an arithmetic number, because the mean of its divisors is an integer number (8432424).

Almost surely, 2^133979846 is an apocalyptic number.

133979846 is an abundant number, since it is smaller than the sum of its proper divisors (135857722).

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

133979846 is a wasteful number, since it uses less digits than its factorization.

133979846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66956.

The product of its digits is 979776, while the sum is 50.

The square root of 133979846 is about 11574.9663498431. The cubic root of 133979846 is about 511.6973385163.

It can be divided in two parts, 133 and 979846, that added together give a palindrome (979979).

The spelling of 133979846 in words is "one hundred thirty-three million, nine hundred seventy-nine thousand, eight hundred forty-six".