2136446757 has 6 divisors (see below), whose sum is σ = 3085978662. Its totient is φ = 1424297832.

The previous prime is 2136446749. The next prime is 2136446759. The reversal of 2136446757 is 7576446312.

2136446757 is a `hidden beast` number, since 2 + 136 + 4 + 467 + 57 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1530843876 + 605602881 = 39126^2 + 24609^2 .

It is not a de Polignac number, because 2136446757 - 2³ = 2136446749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136446759) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118691478 + ... + 118691495.

It is an arithmetic number, because the mean of its divisors is an integer number (514329777).

Almost surely, 2^2136446757 is an apocalyptic number.

It is an amenable number.

2136446757 is a deficient number, since it is larger than the sum of its proper divisors (949531905).

2136446757 is a wasteful number, since it uses less digits than its factorization.

2136446757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237382979 (or 237382976 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 2136446757 is about 46221.7130470085. The cubic root of 2136446757 is about 1287.9451203823.

It can be divided in two parts, 21364 and 46757, that added together give a square (68121 = 261²).

The spelling of 2136446757 in words is "two billion, one hundred thirty-six million, four hundred forty-six thousand, seven hundred fifty-seven".