136151780 has 12 divisors (see below), whose sum is σ = 285918780. Its totient is φ = 54460704.

The previous prime is 136151767. The next prime is 136151797. The reversal of 136151780 is 87151631.

It can be written as a sum of positive squares in 2 ways, for example, as 55115776 + 81036004 = 7424^2 + 9002^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3403775 + ... + 3403814.

It is an arithmetic number, because the mean of its divisors is an integer number (23826565).

Almost surely, 2^136151780 is an apocalyptic number.

136151780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136151780 is an abundant number, since it is smaller than the sum of its proper divisors (149767000).

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

136151780 is a wasteful number, since it uses less digits than its factorization.

136151780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6807598 (or 6807596 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 136151780 is about 11668.4094888721. The cubic root of 136151780 is about 514.4475553992.

The spelling of 136151780 in words is "one hundred thirty-six million, one hundred fifty-one thousand, seven hundred eighty".