1208889415137 has 8 divisors (see below), whose sum is σ = 1613412918304. Its totient is φ = 805146094368.

The previous prime is 1208889415117. The next prime is 1208889415141. The reversal of 1208889415137 is 7315149888021.

It is a happy number.

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

It is not a de Polignac number, because 1208889415137 - 2¹⁴ = 1208889398753 is a prime.

It is a super-2 number, since 2×1208889415137² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1208889415117) 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, 195041983 + ... + 195048180.

It is an arithmetic number, because the mean of its divisors is an integer number (201676614788).

Almost surely, 2^{1208889415137} is an apocalyptic number.

It is an amenable number.

1208889415137 is a deficient number, since it is larger than the sum of its proper divisors (404523503167).

1208889415137 is a wasteful number, since it uses less digits than its factorization.

1208889415137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390091199.

The product of its (nonzero) digits is 3870720, while the sum is 57.

The spelling of 1208889415137 in words is "one trillion, two hundred eight billion, eight hundred eighty-nine million, four hundred fifteen thousand, one hundred thirty-seven".