137870697 has 8 divisors (see below), whose sum is σ = 194641056. Its totient is φ = 86507072.

The previous prime is 137870687. The next prime is 137870699. The reversal of 137870697 is 796078731.

It is a happy number.

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 137870697 - 2¹⁰ = 137869673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137870699) 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, 1351623 + ... + 1351724.

It is an arithmetic number, because the mean of its divisors is an integer number (24330132).

Almost surely, 2^137870697 is an apocalyptic number.

137870697 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

137870697 is a deficient number, since it is larger than the sum of its proper divisors (56770359).

137870697 is a wasteful number, since it uses less digits than its factorization.

137870697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703367.

The product of its (nonzero) digits is 444528, while the sum is 48.

The square root of 137870697 is about 11741.8353335413. The cubic root of 137870697 is about 516.6034756340.

The spelling of 137870697 in words is "one hundred thirty-seven million, eight hundred seventy thousand, six hundred ninety-seven".