137921296045 has 8 divisors (see below), whose sum is σ = 178236751896. Its totient is φ = 101849572416.

The previous prime is 137921296003. The next prime is 137921296057. The reversal of 137921296045 is 540692129731.

It can be written as a sum of positive squares in 4 ways, for example, as 2978212329 + 134943083716 = 54573^2 + 367346^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137921296045 - 2¹³ = 137921287853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137921296045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1060932982 + ... + 1060933111.

It is an arithmetic number, because the mean of its divisors is an integer number (22279593987).

Almost surely, 2^137921296045 is an apocalyptic number.

It is an amenable number.

137921296045 is a deficient number, since it is larger than the sum of its proper divisors (40315455851).

137921296045 is a wasteful number, since it uses less digits than its factorization.

137921296045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121866111.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 137921296045 in words is "one hundred thirty-seven billion, nine hundred twenty-one million, two hundred ninety-six thousand, forty-five".