134156451 has 24 divisors (see below), whose sum is σ = 211746640. Its totient is φ = 75049920.

The previous prime is 134156441. The next prime is 134156461. The reversal of 134156451 is 154651431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (134156441) and next prime (134156461).

It is not a de Polignac number, because 134156451 - 2¹⁵ = 134123683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134156441) 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, 9496 + ... + 18933.

Almost surely, 2^134156451 is an apocalyptic number.

134156451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134156451 is a deficient number, since it is larger than the sum of its proper divisors (77590189).

134156451 is a wasteful number, since it uses less digits than its factorization.

134156451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28467 (or 28456 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 134156451 is about 11582.5925854275. The cubic root of 134156451 is about 511.9220704044.

The spelling of 134156451 in words is "one hundred thirty-four million, one hundred fifty-six thousand, four hundred fifty-one".