139280082278 has 8 divisors (see below), whose sum is σ = 208921818072. Its totient is φ = 69639476256.

The previous prime is 139280082269. The next prime is 139280082281. The reversal of 139280082278 is 872280082931.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172001 + ... + 555107.

It is an arithmetic number, because the mean of its divisors is an integer number (26115227259).

Almost surely, 2^139280082278 is an apocalyptic number.

139280082278 is a deficient number, since it is larger than the sum of its proper divisors (69641735794).

139280082278 is a wasteful number, since it uses less digits than its factorization.

139280082278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564886.

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 139280082278 in words is "one hundred thirty-nine billion, two hundred eighty million, eighty-two thousand, two hundred seventy-eight".