137692466281 has 4 divisors (see below), whose sum is σ = 139631796864. Its totient is φ = 135753135700.

The previous prime is 137692466273. The next prime is 137692466323. The reversal of 137692466281 is 182664296731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 182664296731 = 7 ⋅26094899533.

It is a cyclic number.

It is not a de Polignac number, because 137692466281 - 2³ = 137692466273 is a prime.

It is a super-2 number, since 2×137692466281² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137692466221) 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, 969665185 + ... + 969665326.

It is an arithmetic number, because the mean of its divisors is an integer number (34907949216).

Almost surely, 2^137692466281 is an apocalyptic number.

It is an amenable number.

137692466281 is a deficient number, since it is larger than the sum of its proper divisors (1939330583).

137692466281 is an equidigital number, since it uses as much as digits as its factorization.

137692466281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939330582.

The product of its digits is 5225472, while the sum is 55.

The spelling of 137692466281 in words is "one hundred thirty-seven billion, six hundred ninety-two million, four hundred sixty-six thousand, two hundred eighty-one".