139341446689040 has 20 divisors (see below), whose sum is σ = 323968863552204. Its totient is φ = 55736578675584.

The previous prime is 139341446689009. The next prime is 139341446689043. The reversal of 139341446689040 is 40986644143931.

It can be written as a sum of positive squares in 2 ways, for example, as 102708738859024 + 36632707830016 = 10134532^2 + 6052496^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×139341446689040² (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (62) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (139341446689043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 870884041727 + ... + 870884041886.

Almost surely, 2^{139341446689040} is an apocalyptic number.

139341446689040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139341446689040 is an abundant number, since it is smaller than the sum of its proper divisors (184627416863164).

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

139341446689040 is a wasteful number, since it uses less digits than its factorization.

139341446689040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741768083626 (or 1741768083620 counting only the distinct ones).

The product of its (nonzero) digits is 53747712, while the sum is 62.

The spelling of 139341446689040 in words is "one hundred thirty-nine trillion, three hundred forty-one billion, four hundred forty-six million, six hundred eighty-nine thousand, forty".