134551451 has 4 divisors (see below), whose sum is σ = 134729952. Its totient is φ = 134372952.

The previous prime is 134551441. The next prime is 134551507. The reversal of 134551451 is 154155431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154155431 = 37 ⋅4166363.

It is a cyclic number.

It is not a de Polignac number, because 134551451 - 2²² = 130357147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134551441) 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, 88115 + ... + 89628.

It is an arithmetic number, because the mean of its divisors is an integer number (33682488).

Almost surely, 2^134551451 is an apocalyptic number.

134551451 is a deficient number, since it is larger than the sum of its proper divisors (178501).

134551451 is an equidigital number, since it uses as much as digits as its factorization.

134551451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178500.

The product of its digits is 6000, while the sum is 29.

The square root of 134551451 is about 11599.6315027677. The cubic root of 134551451 is about 512.4239995174.

The spelling of 134551451 in words is "one hundred thirty-four million, five hundred fifty-one thousand, four hundred fifty-one".