136031743 has 2 divisors, whose sum is σ = 136031744. Its totient is φ = 136031742.

The previous prime is 136031741. The next prime is 136031827. The reversal of 136031743 is 347130631.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136031743 - 2¹ = 136031741 is a prime.

Together with 136031741, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136031741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68015871 + 68015872.

It is an arithmetic number, because the mean of its divisors is an integer number (68015872).

Almost surely, 2^136031743 is an apocalyptic number.

136031743 is a deficient number, since it is larger than the sum of its proper divisors (1).

136031743 is an equidigital number, since it uses as much as digits as its factorization.

136031743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 136031743 is about 11663.2646801828. The cubic root of 136031743 is about 514.2963249170.

The spelling of 136031743 in words is "one hundred thirty-six million, thirty-one thousand, seven hundred forty-three".