137968990365 has 16 divisors (see below), whose sum is σ = 230348227968. Its totient is φ = 70384180416.

The previous prime is 137968990363. The next prime is 137968990387. The reversal of 137968990365 is 563099869731.

It is not a de Polignac number, because 137968990365 - 2¹ = 137968990363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 137968990296 and 137968990305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137968990361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199954714 + ... + 199955403.

It is an arithmetic number, because the mean of its divisors is an integer number (14396764248).

Almost surely, 2^137968990365 is an apocalyptic number.

137968990365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137968990365 is a deficient number, since it is larger than the sum of its proper divisors (92379237603).

137968990365 is a wasteful number, since it uses less digits than its factorization.

137968990365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399910148.

The product of its (nonzero) digits is 66134880, while the sum is 66.

The spelling of 137968990365 in words is "one hundred thirty-seven billion, nine hundred sixty-eight million, nine hundred ninety thousand, three hundred sixty-five".