134021451 has 8 divisors (see below), whose sum is σ = 180703440. Its totient is φ = 88343552.

The previous prime is 134021429. The next prime is 134021467. The reversal of 134021451 is 154120431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134021451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134021651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250710 + ... + 251243.

It is an arithmetic number, because the mean of its divisors is an integer number (22587930).

Almost surely, 2^134021451 is an apocalyptic number.

134021451 is a deficient number, since it is larger than the sum of its proper divisors (46681989).

134021451 is an equidigital number, since it uses as much as digits as its factorization.

134021451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502045.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 134021451 is about 11576.7634077924. The cubic root of 134021451 is about 511.7502991297.

Adding to 134021451 its reverse (154120431), we get a palindrome (288141882).

It can be divided in two parts, 1340 and 21451, that added together give a triangular number (22791 = T₂₁₃).

The spelling of 134021451 in words is "one hundred thirty-four million, twenty-one thousand, four hundred fifty-one".