139497481308 has 24 divisors (see below), whose sum is σ = 328849735312. Its totient is φ = 46019787264.

The previous prime is 139497481283. The next prime is 139497481327. The reversal of 139497481308 is 803184794931.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59920435 + ... + 59922762.

Almost surely, 2^139497481308 is an apocalyptic number.

It is an amenable number.

139497481308 is an abundant number, since it is smaller than the sum of its proper divisors (189352254004).

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

139497481308 is a wasteful number, since it uses less digits than its factorization.

139497481308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119843301 (or 119843299 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 139497481308 in words is "one hundred thirty-nine billion, four hundred ninety-seven million, four hundred eighty-one thousand, three hundred eight".