134790551 has 4 divisors (see below), whose sum is σ = 154046352. Its totient is φ = 115534752.

The previous prime is 134790547. The next prime is 134790553. The reversal of 134790551 is 155097431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155097431 = 43 ⋅3606917.

It is a cyclic number.

It is not a de Polignac number, because 134790551 - 2² = 134790547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134790553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9627890 + ... + 9627903.

It is an arithmetic number, because the mean of its divisors is an integer number (38511588).

Almost surely, 2^134790551 is an apocalyptic number.

134790551 is a deficient number, since it is larger than the sum of its proper divisors (19255801).

134790551 is an equidigital number, since it uses as much as digits as its factorization.

134790551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19255800.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 134790551 is about 11609.9332900754. The cubic root of 134790551 is about 512.7273483486.

The spelling of 134790551 in words is "one hundred thirty-four million, seven hundred ninety thousand, five hundred fifty-one".