136605465 has 12 divisors (see below), whose sum is σ = 236782884. Its totient is φ = 72856224.

The previous prime is 136605451. The next prime is 136605479. The reversal of 136605465 is 564506631.

136605465 is a `hidden beast` number, since 1 + 3 + 6 + 605 + 46 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (136605451) and next prime (136605479).

It can be written as a sum of positive squares in 2 ways, for example, as 28611801 + 107993664 = 5349^2 + 10392^2 .

It is not a de Polignac number, because 136605465 - 2⁶ = 136605401 is a prime.

It is a super-2 number, since 2×136605465² = 37322106135732450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1517794 + ... + 1517883.

It is an arithmetic number, because the mean of its divisors is an integer number (19731907).

Almost surely, 2^136605465 is an apocalyptic number.

136605465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136605465 is a deficient number, since it is larger than the sum of its proper divisors (100177419).

136605465 is a wasteful number, since it uses less digits than its factorization.

136605465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035688 (or 3035685 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 136605465 is about 11687.8340593970. The cubic root of 136605465 is about 515.0183359796.

The spelling of 136605465 in words is "one hundred thirty-six million, six hundred five thousand, four hundred sixty-five".