8340501138 has 32 divisors (see below), whose sum is σ = 17995499136. Its totient is φ = 2567255808.

The previous prime is 8340501133. The next prime is 8340501151. The reversal of 8340501138 is 8311050438.

It is a junction number, because it is equal to n+sod(n) for n = 8340501099 and 8340501108.

It is not an unprimeable number, because it can be changed into a prime (8340501133) 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, 766006 + ... + 776817.

It is an arithmetic number, because the mean of its divisors is an integer number (562359348).

Almost surely, 2^8340501138 is an apocalyptic number.

8340501138 is an abundant number, since it is smaller than the sum of its proper divisors (9654997998).

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

8340501138 is a wasteful number, since it uses less digits than its factorization.

8340501138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542898.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 8340501138 is about 91326.3441620215. The cubic root of 8340501138 is about 2027.9817790885.

The spelling of 8340501138 in words is "eight billion, three hundred forty million, five hundred one thousand, one hundred thirty-eight".