139788282 has 16 divisors (see below), whose sum is σ = 294291360. Its totient is φ = 44143632.

The previous prime is 139788281. The next prime is 139788283. The reversal of 139788282 is 282887931.

It is an interprime number because it is at equal distance from previous prime (139788281) and next prime (139788283).

It is not an unprimeable number, because it can be changed into a prime (139788281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612993 + ... + 613220.

It is an arithmetic number, because the mean of its divisors is an integer number (18393210).

Almost surely, 2^139788282 is an apocalyptic number.

139788282 is an abundant number, since it is smaller than the sum of its proper divisors (154503078).

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

139788282 is a wasteful number, since it uses less digits than its factorization.

139788282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226237.

The product of its digits is 387072, while the sum is 48.

The square root of 139788282 is about 11823.2094627474. The cubic root of 139788282 is about 518.9875294467.

The spelling of 139788282 in words is "one hundred thirty-nine million, seven hundred eighty-eight thousand, two hundred eighty-two".