27137640234 has 32 divisors (see below), whose sum is σ = 55188544320. Its totient is φ = 8894793600.

The previous prime is 27137640203. The next prime is 27137640251. The reversal of 27137640234 is 43204673172.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27137640192 and 27137640201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43732 + ... + 237039.

It is an arithmetic number, because the mean of its divisors is an integer number (1724642010).

Almost surely, 2^27137640234 is an apocalyptic number.

27137640234 is an abundant number, since it is smaller than the sum of its proper divisors (28050904086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27137640234 is a wasteful number, since it uses less digits than its factorization.

27137640234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281046.

The product of its (nonzero) digits is 169344, while the sum is 39.

The spelling of 27137640234 in words is "twenty-seven billion, one hundred thirty-seven million, six hundred forty thousand, two hundred thirty-four".