139734782 has 8 divisors (see below), whose sum is σ = 228656952. Its totient is φ = 63515800.

The previous prime is 139734779. The next prime is 139734787. The reversal of 139734782 is 287437931.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139734787) 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, 3175769 + ... + 3175812.

It is an arithmetic number, because the mean of its divisors is an integer number (28582119).

Almost surely, 2^139734782 is an apocalyptic number.

139734782 is a deficient number, since it is larger than the sum of its proper divisors (88922170).

139734782 is a wasteful number, since it uses less digits than its factorization.

139734782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6351594.

The product of its digits is 254016, while the sum is 44.

The square root of 139734782 is about 11820.9467471942. The cubic root of 139734782 is about 518.9213117462.

The spelling of 139734782 in words is "one hundred thirty-nine million, seven hundred thirty-four thousand, seven hundred eighty-two".