137003861405 has 8 divisors (see below), whose sum is σ = 168848002392. Its totient is φ = 106640843328.

The previous prime is 137003861399. The next prime is 137003861411. The reversal of 137003861405 is 504168300731.

It is an interprime number because it is at equal distance from previous prime (137003861399) and next prime (137003861411).

It can be written as a sum of positive squares in 4 ways, for example, as 20776051321 + 116227810084 = 144139^2 + 340922^2 .

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 137003861405 - 2⁴ = 137003861389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370280522 + ... + 370280891.

It is an arithmetic number, because the mean of its divisors is an integer number (21106000299).

Almost surely, 2^137003861405 is an apocalyptic number.

It is an amenable number.

137003861405 is a deficient number, since it is larger than the sum of its proper divisors (31844140987).

137003861405 is an equidigital number, since it uses as much as digits as its factorization.

137003861405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740561455.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 137003861405 in words is "one hundred thirty-seven billion, three million, eight hundred sixty-one thousand, four hundred five".