138383390740620 has 24 divisors (see below), whose sum is σ = 387473494073904. Its totient is φ = 36902237530816.

The previous prime is 138383390740619. The next prime is 138383390740703. The reversal of 138383390740620 is 26047093383831.

It is a super-2 number, since 2×138383390740620² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153194922779 + ... + 1153194922898.

It is an arithmetic number, because the mean of its divisors is an integer number (16144728919746).

Almost surely, 2^{138383390740620} is an apocalyptic number.

138383390740620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138383390740620 is an abundant number, since it is smaller than the sum of its proper divisors (249090103333284).

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

138383390740620 is a wasteful number, since it uses less digits than its factorization.

138383390740620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306389845689 (or 2306389845687 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 57.

The spelling of 138383390740620 in words is "one hundred thirty-eight trillion, three hundred eighty-three billion, three hundred ninety million, seven hundred forty thousand, six hundred twenty".