136145265446 has 16 divisors (see below), whose sum is σ = 205711941600. Its totient is φ = 67576158720.

The previous prime is 136145265439. The next prime is 136145265463. The reversal of 136145265446 is 644562541631.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 136145265446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207890 + ... + 561701.

It is an arithmetic number, because the mean of its divisors is an integer number (12856996350).

Almost surely, 2^136145265446 is an apocalyptic number.

136145265446 is a deficient number, since it is larger than the sum of its proper divisors (69566676154).

136145265446 is a wasteful number, since it uses less digits than its factorization.

136145265446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770239.

The product of its digits is 2073600, while the sum is 47.

The spelling of 136145265446 in words is "one hundred thirty-six billion, one hundred forty-five million, two hundred sixty-five thousand, four hundred forty-six".