234728135477 has 16 divisors (see below), whose sum is σ = 271153127232. Its totient is φ = 200819646720.

The previous prime is 234728135423. The next prime is 234728135491. The reversal of 234728135477 is 774531827432.

It is not a de Polignac number, because 234728135477 - 2²⁰ = 234727086901 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 (234728135177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2433623 + ... + 2528235.

It is an arithmetic number, because the mean of its divisors is an integer number (16947070452).

Almost surely, 2^234728135477 is an apocalyptic number.

It is an amenable number.

234728135477 is a deficient number, since it is larger than the sum of its proper divisors (36424991755).

234728135477 is a wasteful number, since it uses less digits than its factorization.

234728135477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107908.

The product of its digits is 7902720, while the sum is 53.

The spelling of 234728135477 in words is "two hundred thirty-four billion, seven hundred twenty-eight million, one hundred thirty-five thousand, four hundred seventy-seven".