138062441 has 4 divisors (see below), whose sum is σ = 150613584. Its totient is φ = 125511300.

The previous prime is 138062401. The next prime is 138062461. The reversal of 138062441 is 144260831.

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.

It is a cyclic number.

It is not a de Polignac number, because 138062441 - 2⁶ = 138062377 is a prime.

It is a super-2 number, since 2×138062441² = 38122475229756962, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (138062401) 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 3 ways as a sum of consecutive naturals, for example, 6275555 + ... + 6275576.

It is an arithmetic number, because the mean of its divisors is an integer number (37653396).

Almost surely, 2^138062441 is an apocalyptic number.

138062441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

138062441 is a deficient number, since it is larger than the sum of its proper divisors (12551143).

138062441 is a wasteful number, since it uses less digits than its factorization.

138062441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12551142.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 138062441 is about 11749.9974893614. The cubic root of 138062441 is about 516.8428538674.

The spelling of 138062441 in words is "one hundred thirty-eight million, sixty-two thousand, four hundred forty-one".