138883473031020 has 48 divisors (see below), whose sum is σ = 391202309691648. Its totient is φ = 36813822788800.

The previous prime is 138883473031007. The next prime is 138883473031111. The reversal of 138883473031020 is 20130374388831.

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, 6930303006 + ... + 6930323045.

It is an arithmetic number, because the mean of its divisors is an integer number (8150048118576).

Almost surely, 2^{138883473031020} is an apocalyptic number.

138883473031020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138883473031020 is an abundant number, since it is smaller than the sum of its proper divisors (252318836660628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138883473031020 is a wasteful number, since it uses less digits than its factorization.

138883473031020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13860626230 (or 13860626228 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 138883473031020 in words is "one hundred thirty-eight trillion, eight hundred eighty-three billion, four hundred seventy-three million, thirty-one thousand, twenty".