136434043 has 6 divisors (see below), whose sum is σ = 138567476. Its totient is φ = 134303532.

The previous prime is 136434029. The next prime is 136434071. The reversal of 136434043 is 340434631.

It is a de Polignac number, because none of the positive numbers 2^k-136434043 is a prime.

It is a super-2 number, since 2×136434043² = 37228496178651698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136434943) 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 in 5 ways as a sum of consecutive naturals, for example, 94896 + ... + 96322.

Almost surely, 2^136434043 is an apocalyptic number.

136434043 is a deficient number, since it is larger than the sum of its proper divisors (2133433).

136434043 is an frugal number, since it uses more digits than its factorization.

136434043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921 (or 1494 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 136434043 is about 11680.4984054620. The cubic root of 136434043 is about 514.8028189116.

Adding to 136434043 its reverse (340434631), we get a palindrome (476868674).

The spelling of 136434043 in words is "one hundred thirty-six million, four hundred thirty-four thousand, forty-three".