136401933 has 8 divisors (see below), whose sum is σ = 182046496. Its totient is φ = 90846000.

The previous prime is 136401919. The next prime is 136401959. The reversal of 136401933 is 339104631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136401933 - 2¹² = 136397837 is a prime.

It is a super-2 number, since 2×136401933² = 37210974652272978, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136401933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136401533) 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, 18478 + ... + 24783.

It is an arithmetic number, because the mean of its divisors is an integer number (22755812).

Almost surely, 2^136401933 is an apocalyptic number.

It is an amenable number.

136401933 is a deficient number, since it is larger than the sum of its proper divisors (45644563).

136401933 is a wasteful number, since it uses less digits than its factorization.

136401933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44315.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 136401933 is about 11679.1238113139. The cubic root of 136401933 is about 514.7624291498.

The spelling of 136401933 in words is "one hundred thirty-six million, four hundred one thousand, nine hundred thirty-three".