138334954 has 4 divisors (see below), whose sum is σ = 207502434. Its totient is φ = 69167476.

The previous prime is 138334921. The next prime is 138334961. The reversal of 138334954 is 459433831.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 137475625 + 859329 = 11725^2 + 927^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34583737 + ... + 34583740.

Almost surely, 2^138334954 is an apocalyptic number.

138334954 is a deficient number, since it is larger than the sum of its proper divisors (69167480).

138334954 is an equidigital number, since it uses as much as digits as its factorization.

138334954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69167479.

The product of its digits is 155520, while the sum is 40.

The square root of 138334954 is about 11761.5880730452. The cubic root of 138334954 is about 517.1826851972.

The spelling of 138334954 in words is "one hundred thirty-eight million, three hundred thirty-four thousand, nine hundred fifty-four".