234136543557 has 32 divisors (see below), whose sum is σ = 359943091200. Its totient is φ = 132610843008.

The previous prime is 234136543541. The next prime is 234136543561. The reversal of 234136543557 is 755345631432.

It is not a de Polignac number, because 234136543557 - 2⁴ = 234136543541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234136543507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1052569 + ... + 1255457.

It is an arithmetic number, because the mean of its divisors is an integer number (11248221600).

Almost surely, 2^234136543557 is an apocalyptic number.

It is an amenable number.

234136543557 is a deficient number, since it is larger than the sum of its proper divisors (125806547643).

234136543557 is a wasteful number, since it uses less digits than its factorization.

234136543557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203385.

The product of its digits is 4536000, while the sum is 48.

The spelling of 234136543557 in words is "two hundred thirty-four billion, one hundred thirty-six million, five hundred forty-three thousand, five hundred fifty-seven".