137975069 has 8 divisors (see below), whose sum is σ = 142884000. Its totient is φ = 133076272.

The previous prime is 137975053. The next prime is 137975083. The reversal of 137975069 is 960579731.

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 137975069 - 2⁴ = 137975053 is a prime.

It is a super-2 number, since 2×137975069² = 38074239331109522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137975039) 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 7 ways as a sum of consecutive naturals, for example, 34622 + ... + 38400.

It is an arithmetic number, because the mean of its divisors is an integer number (17860500).

Almost surely, 2^137975069 is an apocalyptic number.

It is an amenable number.

137975069 is a deficient number, since it is larger than the sum of its proper divisors (4908931).

137975069 is a wasteful number, since it uses less digits than its factorization.

137975069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5067.

The product of its (nonzero) digits is 357210, while the sum is 47.

The square root of 137975069 is about 11746.2789427120. The cubic root of 137975069 is about 516.7338038782.

The spelling of 137975069 in words is "one hundred thirty-seven million, nine hundred seventy-five thousand, sixty-nine".