139346208290 has 16 divisors (see below), whose sum is σ = 250836505920. Its totient is φ = 55735520880.

The previous prime is 139346208289. The next prime is 139346208307. The reversal of 139346208290 is 92802643931.

It is a Curzon number.

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, 167456 + ... + 553835.

It is an arithmetic number, because the mean of its divisors is an integer number (15677281620).

Almost surely, 2^139346208290 is an apocalyptic number.

139346208290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139346208290 is a deficient number, since it is larger than the sum of its proper divisors (111490297630).

139346208290 is a wasteful number, since it uses less digits than its factorization.

139346208290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740617.

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 139346208290 in words is "one hundred thirty-nine billion, three hundred forty-six million, two hundred eight thousand, two hundred ninety".