136843433 has 2 divisors, whose sum is σ = 136843434. Its totient is φ = 136843432.

The previous prime is 136843423. The next prime is 136843451. The reversal of 136843433 is 334348631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105124009 + 31719424 = 10253^2 + 5632^2 .

It is a cyclic number.

It is not a de Polignac number, because 136843433 - 2⁸ = 136843177 is a prime.

It is a super-2 number, since 2×136843433² = 37452250310450978, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136843393 and 136843402.

It is not a weakly prime, because it can be changed into another prime (136843423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68421716 + 68421717.

It is an arithmetic number, because the mean of its divisors is an integer number (68421717).

Almost surely, 2^136843433 is an apocalyptic number.

It is an amenable number.

136843433 is a deficient number, since it is larger than the sum of its proper divisors (1).

136843433 is an equidigital number, since it uses as much as digits as its factorization.

136843433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 35.

The square root of 136843433 is about 11698.0097879939. The cubic root of 136843433 is about 515.3172180839.

The spelling of 136843433 in words is "one hundred thirty-six million, eight hundred forty-three thousand, four hundred thirty-three".