139789334 has 32 divisors (see below), whose sum is σ = 226437120. Its totient is φ = 64490112.

The previous prime is 139789313. The next prime is 139789337. The reversal of 139789334 is 433987931.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139789337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 626747 + ... + 626969.

It is an arithmetic number, because the mean of its divisors is an integer number (7076160).

Almost surely, 2^139789334 is an apocalyptic number.

139789334 is a deficient number, since it is larger than the sum of its proper divisors (86647786).

139789334 is a wasteful number, since it uses less digits than its factorization.

139789334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524.

The product of its digits is 489888, while the sum is 47.

The square root of 139789334 is about 11823.2539514298. The cubic root of 139789334 is about 518.9888313525.

The spelling of 139789334 in words is "one hundred thirty-nine million, seven hundred eighty-nine thousand, three hundred thirty-four".