138162547330 has 32 divisors (see below), whose sum is σ = 259544962800. Its totient is φ = 52887109632.

The previous prime is 138162547321. The next prime is 138162547331. The reversal of 138162547330 is 33745261831.

It can be written as a sum of positive squares in 8 ways, for example, as 15556824529 + 122605722801 = 124727^2 + 350151^2 .

It is not an unprimeable number, because it can be changed into a prime (138162547331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2075295 + ... + 2140834.

Almost surely, 2^138162547330 is an apocalyptic number.

138162547330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138162547330 is a deficient number, since it is larger than the sum of its proper divisors (121382415470).

138162547330 is a wasteful number, since it uses less digits than its factorization.

138162547330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4216278.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 138162547330 in words is "one hundred thirty-eight billion, one hundred sixty-two million, five hundred forty-seven thousand, three hundred thirty".