136053697 has 4 divisors (see below), whose sum is σ = 146519380. Its totient is φ = 125588016.

The previous prime is 136053689. The next prime is 136053707. The reversal of 136053697 is 796350631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 796350631 = 379 ⋅2101189.

It can be written as a sum of positive squares in 2 ways, for example, as 63616576 + 72437121 = 7976^2 + 8511^2 .

It is a cyclic number.

It is not a de Polignac number, because 136053697 - 2³ = 136053689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136053647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5232822 + ... + 5232847.

It is an arithmetic number, because the mean of its divisors is an integer number (36629845).

Almost surely, 2^136053697 is an apocalyptic number.

It is an amenable number.

136053697 is a deficient number, since it is larger than the sum of its proper divisors (10465683).

136053697 is a wasteful number, since it uses less digits than its factorization.

136053697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10465682.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 136053697 is about 11664.2058023682. The cubic root of 136053697 is about 514.3239906513.

The spelling of 136053697 in words is "one hundred thirty-six million, fifty-three thousand, six hundred ninety-seven".