134953812 has 72 divisors (see below), whose sum is σ = 395734976. Its totient is φ = 37977984.

The previous prime is 134953807. The next prime is 134953813. The reversal of 134953812 is 218359431.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134953813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12888 + ... + 20880.

Almost surely, 2^134953812 is an apocalyptic number.

134953812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134953812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197867488).

134953812 is an abundant number, since it is smaller than the sum of its proper divisors (260781164).

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

134953812 is a wasteful number, since it uses less digits than its factorization.

134953812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8077 (or 8072 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 134953812 is about 11616.9622535325. The cubic root of 134953812 is about 512.9342733526.

The spelling of 134953812 in words is "one hundred thirty-four million, nine hundred fifty-three thousand, eight hundred twelve".