138514983 has 4 divisors (see below), whose sum is σ = 184686648. Its totient is φ = 92343320.

The previous prime is 138514979. The next prime is 138515011. The reversal of 138514983 is 389415831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 138514983 - 2² = 138514979 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138514903) 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, 23085828 + ... + 23085833.

It is an arithmetic number, because the mean of its divisors is an integer number (46171662).

Almost surely, 2^138514983 is an apocalyptic number.

138514983 is a deficient number, since it is larger than the sum of its proper divisors (46171665).

138514983 is an equidigital number, since it uses as much as digits as its factorization.

138514983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46171664.

The product of its digits is 103680, while the sum is 42.

The square root of 138514983 is about 11769.2388453969. The cubic root of 138514983 is about 517.4069416557.

The spelling of 138514983 in words is "one hundred thirty-eight million, five hundred fourteen thousand, nine hundred eighty-three".