136993313 has 8 divisors (see below), whose sum is σ = 146275008. Its totient is φ = 127988784.

The previous prime is 136993279. The next prime is 136993331. The reversal of 136993313 is 313399631.

It is a happy number.

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 136993313 - 2⁸ = 136993057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136993343) 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, 68270 + ... + 70247.

It is an arithmetic number, because the mean of its divisors is an integer number (18284376).

Almost surely, 2^136993313 is an apocalyptic number.

It is an amenable number.

136993313 is a deficient number, since it is larger than the sum of its proper divisors (9281695).

136993313 is a wasteful number, since it uses less digits than its factorization.

136993313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138583.

The product of its digits is 39366, while the sum is 38.

The square root of 136993313 is about 11704.4142527510. The cubic root of 136993313 is about 515.5052859660.

The spelling of 136993313 in words is "one hundred thirty-six million, nine hundred ninety-three thousand, three hundred thirteen".