134243162540 has 24 divisors (see below), whose sum is σ = 298493620992. Its totient is φ = 50538602240.

The previous prime is 134243162477. The next prime is 134243162561. The reversal of 134243162540 is 45261342431.

It is a self number, because there is not a number n which added to its sum of digits gives 134243162540.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197416076 + ... + 197416755.

It is an arithmetic number, because the mean of its divisors is an integer number (12437234208).

Almost surely, 2^134243162540 is an apocalyptic number.

134243162540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134243162540 is an abundant number, since it is smaller than the sum of its proper divisors (164250458452).

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

134243162540 is a wasteful number, since it uses less digits than its factorization.

134243162540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394832857 (or 394832855 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 134243162540 in words is "one hundred thirty-four billion, two hundred forty-three million, one hundred sixty-two thousand, five hundred forty".