137446930997 has 8 divisors (see below), whose sum is σ = 139714512312. Its totient is φ = 135179812800.

The previous prime is 137446930993. The next prime is 137446931023. The reversal of 137446930997 is 799039644731.

It can be written as a sum of positive squares in 4 ways, for example, as 44009956 + 137402921041 = 6634^2 + 370679^2 .

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 137446930997 - 2² = 137446930993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137446930993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510383 + ... + 731699.

It is an arithmetic number, because the mean of its divisors is an integer number (17464314039).

Almost surely, 2^137446930997 is an apocalyptic number.

It is an amenable number.

137446930997 is a deficient number, since it is larger than the sum of its proper divisors (2267581315).

137446930997 is a wasteful number, since it uses less digits than its factorization.

137446930997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231559.

The product of its (nonzero) digits is 30862944, while the sum is 62.

The spelling of 137446930997 in words is "one hundred thirty-seven billion, four hundred forty-six million, nine hundred thirty thousand, nine hundred ninety-seven".