139001513890 has 8 divisors (see below), whose sum is σ = 250202725020. Its totient is φ = 55600605552.

The previous prime is 139001513839. The next prime is 139001513891. The reversal of 139001513890 is 98315100931.

It can be written as a sum of positive squares in 2 ways, for example, as 138624416329 + 377097561 = 372323^2 + 19419^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (139001513891) 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, 6950075685 + ... + 6950075704.

Almost surely, 2^139001513890 is an apocalyptic number.

139001513890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139001513890 is a deficient number, since it is larger than the sum of its proper divisors (111201211130).

139001513890 is a wasteful number, since it uses less digits than its factorization.

139001513890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13900151396.

The product of its (nonzero) digits is 29160, while the sum is 40.

The spelling of 139001513890 in words is "one hundred thirty-nine billion, one million, five hundred thirteen thousand, eight hundred ninety".