137555803861 has 8 divisors (see below), whose sum is σ = 157364320640. Its totient is φ = 117786709008.

The previous prime is 137555803817. The next prime is 137555803883. The reversal of 137555803861 is 168308555731.

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 137555803861 - 2²¹ = 137553706709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137555803799 and 137555803808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137555803811) 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, 9848001 + ... + 9861958.

It is an arithmetic number, because the mean of its divisors is an integer number (19670540080).

Almost surely, 2^137555803861 is an apocalyptic number.

It is an amenable number.

137555803861 is a deficient number, since it is larger than the sum of its proper divisors (19808516779).

137555803861 is an equidigital number, since it uses as much as digits as its factorization.

137555803861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19710963.

The product of its (nonzero) digits is 3024000, while the sum is 52.

The spelling of 137555803861 in words is "one hundred thirty-seven billion, five hundred fifty-five million, eight hundred three thousand, eight hundred sixty-one".