138053797 has 16 divisors (see below), whose sum is σ = 167346432. Its totient is φ = 111323520.

The previous prime is 138053789. The next prime is 138053801. The reversal of 138053797 is 797350831.

It is not a de Polignac number, because 138053797 - 2³ = 138053789 is a prime.

It is a super-2 number, since 2×138053797² = 38117701732234418, 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 (138053737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2793 + ... + 16849.

It is an arithmetic number, because the mean of its divisors is an integer number (10459152).

Almost surely, 2^138053797 is an apocalyptic number.

It is an amenable number.

138053797 is a deficient number, since it is larger than the sum of its proper divisors (29292635).

138053797 is a wasteful number, since it uses less digits than its factorization.

138053797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14148.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 138053797 is about 11749.6296537380. The cubic root of 138053797 is about 516.8320672435.

The spelling of 138053797 in words is "one hundred thirty-eight million, fifty-three thousand, seven hundred ninety-seven".