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137885197 = 1517431229
BaseRepresentation
bin10000011011111…
…11011000001101
3100121110021221011
420031333120031
5240244311242
621403205221
73263001442
oct1015773015
9317407834
10137885197
117091820a
123a216811
1322749898
14144539c9
15c189d17
hex837f60d

137885197 has 8 divisors (see below), whose sum is σ = 139098240. Its totient is φ = 136676400.

The previous prime is 137885191. The next prime is 137885213. The reversal of 137885197 is 791588731.

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 137885197 - 211 = 137883149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137885197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137885191) 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, 111579 + ... + 112807.

It is an arithmetic number, because the mean of its divisors is an integer number (17387280).

Almost surely, 2137885197 is an apocalyptic number.

It is an amenable number.

137885197 is a deficient number, since it is larger than the sum of its proper divisors (1213043).

137885197 is a wasteful number, since it uses less digits than its factorization.

137885197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123.

The product of its digits is 423360, while the sum is 49.

The square root of 137885197 is about 11742.4527676291. The cubic root of 137885197 is about 516.6215855683.

The spelling of 137885197 in words is "one hundred thirty-seven million, eight hundred eighty-five thousand, one hundred ninety-seven".

Divisors: 1 151 743 1229 112193 185579 913147 137885197