137849034779 has 4 divisors (see below), whose sum is σ = 138192798360. Its totient is φ = 137505271200.

The previous prime is 137849034769. The next prime is 137849034781. The reversal of 137849034779 is 977430948731.

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

It is a cyclic number.

It is not a de Polignac number, because 137849034779 - 2¹⁶ = 137848969243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137849034769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171881189 + ... + 171881990.

It is an arithmetic number, because the mean of its divisors is an integer number (34548199590).

Almost surely, 2^137849034779 is an apocalyptic number.

137849034779 is a deficient number, since it is larger than the sum of its proper divisors (343763581).

137849034779 is an equidigital number, since it uses as much as digits as its factorization.

137849034779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343763580.

The product of its (nonzero) digits is 32006016, while the sum is 62.

The spelling of 137849034779 in words is "one hundred thirty-seven billion, eight hundred forty-nine million, thirty-four thousand, seven hundred seventy-nine".