136481590 has 16 divisors (see below), whose sum is σ = 280762272. Its totient is φ = 46793664.

The previous prime is 136481549. The next prime is 136481591. The reversal of 136481590 is 95184631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136481591) 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, 974799 + ... + 974938.

It is an arithmetic number, because the mean of its divisors is an integer number (17547642).

Almost surely, 2^136481590 is an apocalyptic number.

136481590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136481590 is an abundant number, since it is smaller than the sum of its proper divisors (144280682).

136481590 is a wasteful number, since it uses less digits than its factorization.

136481590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949751.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 136481590 is about 11682.5335437139. The cubic root of 136481590 is about 514.8626145613.

The spelling of 136481590 in words is "one hundred thirty-six million, four hundred eighty-one thousand, five hundred ninety".