139702002 has 48 divisors (see below), whose sum is σ = 308564256. Its totient is φ = 42134400.

The previous prime is 139701997. The next prime is 139702007. The reversal of 139702002 is 200207931.

It is an interprime number because it is at equal distance from previous prime (139701997) and next prime (139702007).

It is not an unprimeable number, because it can be changed into a prime (139702007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244377 + ... + 244947.

It is an arithmetic number, because the mean of its divisors is an integer number (6428422).

Almost surely, 2^139702002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139702002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154282128).

139702002 is an abundant number, since it is smaller than the sum of its proper divisors (168862254).

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

139702002 is a wasteful number, since it uses less digits than its factorization.

139702002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935 (or 924 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 139702002 is about 11819.5601441001. The cubic root of 139702002 is about 518.8807311294.

Adding to 139702002 its reverse (200207931), we get a palindrome (339909933).

The spelling of 139702002 in words is "one hundred thirty-nine million, seven hundred two thousand, two".