138417050 has 12 divisors (see below), whose sum is σ = 257455806. Its totient is φ = 55366800.

The previous prime is 138417011. The next prime is 138417061. The reversal of 138417050 is 50714831.

It can be written as a sum of positive squares in 3 ways, for example, as 104182849 + 34234201 = 10207^2 + 5851^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1384121 + ... + 1384220.

Almost surely, 2^138417050 is an apocalyptic number.

138417050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138417050 is a deficient number, since it is larger than the sum of its proper divisors (119038756).

138417050 is a wasteful number, since it uses less digits than its factorization.

138417050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768353 (or 2768348 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 138417050 is about 11765.0775603053. The cubic root of 138417050 is about 517.2849737177.

The spelling of 138417050 in words is "one hundred thirty-eight million, four hundred seventeen thousand, fifty".