134540737218 has 12 divisors (see below), whose sum is σ = 291504930678. Its totient is φ = 44846912400.

The previous prime is 134540737193. The next prime is 134540737229. The reversal of 134540737218 is 812737045431.

134540737218 is a `hidden beast` number, since 1 + 34 + 540 + 7 + 3 + 72 + 1 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 134155910529 + 384826689 = 366273^2 + 19617^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3737242683 + ... + 3737242718.

Almost surely, 2^134540737218 is an apocalyptic number.

134540737218 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

134540737218 is an abundant number, since it is smaller than the sum of its proper divisors (156964193460).

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

134540737218 is a wasteful number, since it uses less digits than its factorization.

134540737218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7474485409 (or 7474485406 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 134540737218 in words is "one hundred thirty-four billion, five hundred forty million, seven hundred thirty-seven thousand, two hundred eighteen".