138754097 has 4 divisors (see below), whose sum is σ = 138781680. Its totient is φ = 138726516.

The previous prime is 138754087. The next prime is 138754111. The reversal of 138754097 is 790457831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 790457831 = 19423 ⋅40697.

It is a cyclic number.

It is not a de Polignac number, because 138754097 - 2¹⁴ = 138737713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138754027) 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, 3863 + ... + 17100.

It is an arithmetic number, because the mean of its divisors is an integer number (34695420).

Almost surely, 2^138754097 is an apocalyptic number.

It is an amenable number.

138754097 is a deficient number, since it is larger than the sum of its proper divisors (27583).

138754097 is an equidigital number, since it uses as much as digits as its factorization.

138754097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27582.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 138754097 is about 11779.3928960707. The cubic root of 138754097 is about 517.7044982043.

The spelling of 138754097 in words is "one hundred thirty-eight million, seven hundred fifty-four thousand, ninety-seven".