139341402 has 48 divisors (see below), whose sum is σ = 319693920. Its totient is φ = 43740000.

The previous prime is 139341353. The next prime is 139341407. The reversal of 139341402 is 204143931.

It is a super-2 number, since 2×139341402² = 38832052622651208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (139341407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60777 + ... + 63027.

It is an arithmetic number, because the mean of its divisors is an integer number (6660290).

Almost surely, 2^139341402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139341402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159846960).

139341402 is an abundant number, since it is smaller than the sum of its proper divisors (180352518).

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

139341402 is a wasteful number, since it uses less digits than its factorization.

139341402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459 (or 2456 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 139341402 is about 11804.2959129293. The cubic root of 139341402 is about 518.4338999965.

The spelling of 139341402 in words is "one hundred thirty-nine million, three hundred forty-one thousand, four hundred two".