136071830 has 16 divisors (see below), whose sum is σ = 245722464. Its totient is φ = 54252480.

The previous prime is 136071827. The next prime is 136071839. The reversal of 136071830 is 38170631.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 136071793 and 136071802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136071839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18767 + ... + 24986.

It is an arithmetic number, because the mean of its divisors is an integer number (15357654).

Almost surely, 2^136071830 is an apocalyptic number.

136071830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136071830 is a deficient number, since it is larger than the sum of its proper divisors (109650634).

136071830 is a wasteful number, since it uses less digits than its factorization.

136071830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44071.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 136071830 is about 11664.9830689976. The cubic root of 136071830 is about 514.3468390385.

The spelling of 136071830 in words is "one hundred thirty-six million, seventy-one thousand, eight hundred thirty".