138782154452362 has 8 divisors (see below), whose sum is σ = 208206396144036. Its totient is φ = 69380022404352.

The previous prime is 138782154452353. The next prime is 138782154452413. The reversal of 138782154452362 is 263254451287831.

It can be written as a sum of positive squares in 2 ways, for example, as 138444615530001 + 337538922361 = 11766249^2 + 580981^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 138782154452362.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5527395223 + ... + 5527420330.

Almost surely, 2^{138782154452362} is an apocalyptic number.

138782154452362 is a deficient number, since it is larger than the sum of its proper divisors (69424241691674).

138782154452362 is a wasteful number, since it uses less digits than its factorization.

138782154452362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11054821832.

The product of its digits is 77414400, while the sum is 61.

The spelling of 138782154452362 in words is "one hundred thirty-eight trillion, seven hundred eighty-two billion, one hundred fifty-four million, four hundred fifty-two thousand, three hundred sixty-two".