134621812 has 18 divisors (see below), whose sum is σ = 253868118. Its totient is φ = 62094528.

The previous prime is 134621801. The next prime is 134621813. The reversal of 134621812 is 218126431.

It can be written as a sum of positive squares in 3 ways, for example, as 73719396 + 60902416 = 8586^2 + 7804^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134621813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82864 + ... + 84472.

Almost surely, 2^134621812 is an apocalyptic number.

It is an amenable number.

134621812 is a deficient number, since it is larger than the sum of its proper divisors (119246306).

134621812 is an equidigital number, since it uses as much as digits as its factorization.

134621812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235 (or 1624 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 134621812 is about 11602.6640044431. The cubic root of 134621812 is about 512.5133045921.

The spelling of 134621812 in words is "one hundred thirty-four million, six hundred twenty-one thousand, eight hundred twelve".