138920737046374 has 4 divisors (see below), whose sum is σ = 208381105569564. Its totient is φ = 69460368523186.

The previous prime is 138920737046359. The next prime is 138920737046389. The reversal of 138920737046374 is 473640737029831.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (138920737046359) and next prime (138920737046389).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34730184261592 + ... + 34730184261595.

It is an arithmetic number, because the mean of its divisors is an integer number (52095276392391).

Almost surely, 2^{138920737046374} is an apocalyptic number.

138920737046374 is a deficient number, since it is larger than the sum of its proper divisors (69460368523190).

138920737046374 is an equidigital number, since it uses as much as digits as its factorization.

138920737046374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69460368523189.

The product of its (nonzero) digits is 128024064, while the sum is 64.

The spelling of 138920737046374 in words is "one hundred thirty-eight trillion, nine hundred twenty billion, seven hundred thirty-seven million, forty-six thousand, three hundred seventy-four".