136043747 has 8 divisors (see below), whose sum is σ = 158652000. Its totient is φ = 116608632.

The previous prime is 136043737. The next prime is 136043801. The reversal of 136043747 is 747340631.

It is not a de Polignac number, because 136043747 - 2⁴ = 136043731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136043737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197972 + ... + 198657.

It is an arithmetic number, because the mean of its divisors is an integer number (19831500).

Almost surely, 2^136043747 is an apocalyptic number.

136043747 is a deficient number, since it is larger than the sum of its proper divisors (22608253).

136043747 is an frugal number, since it uses more digits than its factorization.

136043747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396650 (or 396636 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 136043747 is about 11663.7792760323. The cubic root of 136043747 is about 514.3114523458.

The spelling of 136043747 in words is "one hundred thirty-six million, forty-three thousand, seven hundred forty-seven".