138050030 has 32 divisors (see below), whose sum is σ = 263704896. Its totient is φ = 51853824.

The previous prime is 138049987. The next prime is 138050041. The reversal of 138050030 is 30050831.

It is a junction number, because it is equal to n+sod(n) for n = 138049984 and 138050011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123032 + ... + 124148.

It is an arithmetic number, because the mean of its divisors is an integer number (8240778).

Almost surely, 2^138050030 is an apocalyptic number.

138050030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138050030 is a deficient number, since it is larger than the sum of its proper divisors (125654866).

138050030 is a wasteful number, since it uses less digits than its factorization.

138050030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 138050030 is about 11749.4693497196. The cubic root of 138050030 is about 516.8273663608.

The spelling of 138050030 in words is "one hundred thirty-eight million, fifty thousand, thirty".