136391070 has 32 divisors (see below), whose sum is σ = 328574880. Its totient is φ = 36233600.

The previous prime is 136391053. The next prime is 136391111. The reversal of 136391070 is 70193631.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a plaindrome in base 13.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 381 + ... + 16520.

It is an arithmetic number, because the mean of its divisors is an integer number (10267965).

Almost surely, 2^136391070 is an apocalyptic number.

136391070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136391070 is an abundant number, since it is smaller than the sum of its proper divisors (192183810).

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

136391070 is a wasteful number, since it uses less digits than its factorization.

136391070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17180.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 136391070 is about 11678.6587414823. The cubic root of 136391070 is about 514.7487636232.

The spelling of 136391070 in words is "one hundred thirty-six million, three hundred ninety-one thousand, seventy".