136451312 has 20 divisors (see below), whose sum is σ = 278289480. Its totient is φ = 64634688.

The previous prime is 136451311. The next prime is 136451317. The reversal of 136451312 is 213154631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136451311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224123 + ... + 224730.

It is an arithmetic number, because the mean of its divisors is an integer number (13914474).

Almost surely, 2^136451312 is an apocalyptic number.

It is an amenable number.

136451312 is an abundant number, since it is smaller than the sum of its proper divisors (141838168).

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

136451312 is a wasteful number, since it uses less digits than its factorization.

136451312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448880 (or 448874 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 136451312 is about 11681.2376056649. The cubic root of 136451312 is about 514.8245382094.

The spelling of 136451312 in words is "one hundred thirty-six million, four hundred fifty-one thousand, three hundred twelve".