136911860 has 24 divisors (see below), whose sum is σ = 292390560. Its totient is φ = 53836064.

The previous prime is 136911857. The next prime is 136911881. The reversal of 136911860 is 68119631.

It is a self number, because there is not a number n which added to its sum of digits gives 136911860.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 56834 + ... + 59193.

It is an arithmetic number, because the mean of its divisors is an integer number (12182940).

Almost surely, 2^136911860 is an apocalyptic number.

136911860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136911860 is an abundant number, since it is smaller than the sum of its proper divisors (155478700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136911860 is a wasteful number, since it uses less digits than its factorization.

136911860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116095 (or 116093 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 136911860 is about 11700.9341507420. The cubic root of 136911860 is about 515.4030966064.

It can be divided in two parts, 13691 and 1860, that added together give a palindrome (15551).

The spelling of 136911860 in words is "one hundred thirty-six million, nine hundred eleven thousand, eight hundred sixty".