2139327154398 has 64 divisors (see below), whose sum is σ = 4952488181760. Its totient is φ = 603413826912.

The previous prime is 2139327154397. The next prime is 2139327154417. The reversal of 2139327154398 is 8934517239312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139327154397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25596465 + ... + 25679907.

It is an arithmetic number, because the mean of its divisors is an integer number (77382627840).

Almost surely, 2^{2139327154398} is an apocalyptic number.

2139327154398 is an abundant number, since it is smaller than the sum of its proper divisors (2813161027362).

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

2139327154398 is a wasteful number, since it uses less digits than its factorization.

2139327154398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91261.

The product of its digits is 9797760, while the sum is 57.

The spelling of 2139327154398 in words is "two trillion, one hundred thirty-nine billion, three hundred twenty-seven million, one hundred fifty-four thousand, three hundred ninety-eight".