133687741 has 8 divisors (see below), whose sum is σ = 147286368. Its totient is φ = 120330000.

The previous prime is 133687739. The next prime is 133687777. The reversal of 133687741 is 147786331.

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 133687741 - 2¹ = 133687739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133687694 and 133687703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133687441) 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, 59055 + ... + 61276.

It is an arithmetic number, because the mean of its divisors is an integer number (18410796).

Almost surely, 2^133687741 is an apocalyptic number.

133687741 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133687741 is a deficient number, since it is larger than the sum of its proper divisors (13598627).

133687741 is a wasteful number, since it uses less digits than its factorization.

133687741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120443.

The product of its digits is 84672, while the sum is 40.

The square root of 133687741 is about 11562.3415016164. The cubic root of 133687741 is about 511.3251976994.

The spelling of 133687741 in words is "one hundred thirty-three million, six hundred eighty-seven thousand, seven hundred forty-one".