136793121 has 8 divisors (see below), whose sum is σ = 190320960. Its totient is φ = 87230352.

The previous prime is 136793119. The next prime is 136793123. The reversal of 136793121 is 121397631.

It is an interprime number because it is at equal distance from previous prime (136793119) and next prime (136793123).

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

It is not a de Polignac number, because 136793121 - 2¹ = 136793119 is a prime.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (136793123) 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, 991186 + ... + 991323.

It is an arithmetic number, because the mean of its divisors is an integer number (23790120).

Almost surely, 2^136793121 is an apocalyptic number.

It is an amenable number.

136793121 is a deficient number, since it is larger than the sum of its proper divisors (53527839).

136793121 is a wasteful number, since it uses less digits than its factorization.

136793121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982535.

The product of its digits is 6804, while the sum is 33.

The square root of 136793121 is about 11695.8591390287. The cubic root of 136793121 is about 515.2540563197.

The spelling of 136793121 in words is "one hundred thirty-six million, seven hundred ninety-three thousand, one hundred twenty-one".