136883437 has 2 divisors, whose sum is σ = 136883438. Its totient is φ = 136883436.

The previous prime is 136883431. The next prime is 136883449. The reversal of 136883437 is 734388631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110965156 + 25918281 = 10534^2 + 5091^2 .

It is a cyclic number.

It is not a de Polignac number, because 136883437 - 2¹⁵ = 136850669 is a prime.

It is equal to p_7745992 and since 136883437 and 7745992 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 136883393 and 136883402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136883431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68441718 + 68441719.

It is an arithmetic number, because the mean of its divisors is an integer number (68441719).

Almost surely, 2^136883437 is an apocalyptic number.

It is an amenable number.

136883437 is a deficient number, since it is larger than the sum of its proper divisors (1).

136883437 is an equidigital number, since it uses as much as digits as its factorization.

136883437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 43.

The square root of 136883437 is about 11699.7195265528. The cubic root of 136883437 is about 515.3674281209.

The spelling of 136883437 in words is "one hundred thirty-six million, eight hundred eighty-three thousand, four hundred thirty-seven".