69098137 has 4 divisors (see below), whose sum is σ = 69159220. Its totient is φ = 69037056.

The previous prime is 69098083. The next prime is 69098147. The reversal of 69098137 is 73189096.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27573001 + 41525136 = 5251^2 + 6444^2 .

It is a cyclic number.

It is not a de Polignac number, because 69098137 - 2¹⁵ = 69065369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69098093 and 69098102.

It is not an unprimeable number, because it can be changed into a prime (69098147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28812 + ... + 31117.

It is an arithmetic number, because the mean of its divisors is an integer number (17289805).

Almost surely, 2^69098137 is an apocalyptic number.

It is an amenable number.

69098137 is a deficient number, since it is larger than the sum of its proper divisors (61083).

69098137 is a wasteful number, since it uses less digits than its factorization.

69098137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61082.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 69098137 is about 8312.5289172429. The cubic root of 69098137 is about 410.3509527273.

The spelling of 69098137 in words is "sixty-nine million, ninety-eight thousand, one hundred thirty-seven".