136317390 has 144 divisors (see below), whose sum is σ = 389034576. Its totient is φ = 30440960.

The previous prime is 136317383. The next prime is 136317397. The reversal of 136317390 is 93713631.

It is an interprime number because it is at equal distance from previous prime (136317383) and next prime (136317397).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136317397) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2900347 + ... + 2900393.

It is an arithmetic number, because the mean of its divisors is an integer number (2701629).

Almost surely, 2^136317390 is an apocalyptic number.

136317390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 136317390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194517288).

136317390 is an abundant number, since it is smaller than the sum of its proper divisors (252717186).

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

136317390 is a wasteful number, since it uses less digits than its factorization.

136317390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 33.

The square root of 136317390 is about 11675.5038435178. The cubic root of 136317390 is about 514.6560558909.

The spelling of 136317390 in words is "one hundred thirty-six million, three hundred seventeen thousand, three hundred ninety".