136994743 has 2 divisors, whose sum is σ = 136994744. Its totient is φ = 136994742.

The previous prime is 136994729. The next prime is 136994747. The reversal of 136994743 is 347499631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136994743 - 2²¹ = 134897591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136994693 and 136994702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136994747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68497371 + 68497372.

It is an arithmetic number, because the mean of its divisors is an integer number (68497372).

Almost surely, 2^136994743 is an apocalyptic number.

136994743 is a deficient number, since it is larger than the sum of its proper divisors (1).

136994743 is an equidigital number, since it uses as much as digits as its factorization.

136994743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 46.

The square root of 136994743 is about 11704.4753406550. The cubic root of 136994743 is about 515.5070796545.

The spelling of 136994743 in words is "one hundred thirty-six million, nine hundred ninety-four thousand, seven hundred forty-three".