137826079 has 4 divisors (see below), whose sum is σ = 137849560. Its totient is φ = 137802600.

The previous prime is 137826053. The next prime is 137826109. The reversal of 137826079 is 970628731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 970628731 = 521 ⋅1863011.

It is a cyclic number.

It is not a de Polignac number, because 137826079 - 2¹¹ = 137824031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137826049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5812 + ... + 17590.

It is an arithmetic number, because the mean of its divisors is an integer number (34462390).

Almost surely, 2^137826079 is an apocalyptic number.

137826079 is a deficient number, since it is larger than the sum of its proper divisors (23481).

137826079 is a wasteful number, since it uses less digits than its factorization.

137826079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23480.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 137826079 is about 11739.9352212864. The cubic root of 137826079 is about 516.5477415263.

The spelling of 137826079 in words is "one hundred thirty-seven million, eight hundred twenty-six thousand, seventy-nine".