137704404338 has 4 divisors (see below), whose sum is σ = 206556606510. Its totient is φ = 68852202168.

The previous prime is 137704404337. The next prime is 137704404349. The reversal of 137704404338 is 833404407731.

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

It can be written as a sum of positive squares in only one way, i.e., 137435542729 + 268861609 = 370723^2 + 16397^2 .

It is not an unprimeable number, because it can be changed into a prime (137704404337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34426101083 + ... + 34426101086.

Almost surely, 2^137704404338 is an apocalyptic number.

137704404338 is a deficient number, since it is larger than the sum of its proper divisors (68852202172).

137704404338 is an equidigital number, since it uses as much as digits as its factorization.

137704404338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68852202171.

The product of its (nonzero) digits is 677376, while the sum is 44.

The spelling of 137704404338 in words is "one hundred thirty-seven billion, seven hundred four million, four hundred four thousand, three hundred thirty-eight".