139460342 has 16 divisors (see below), whose sum is σ = 251658240. Its totient is φ = 56622888.

The previous prime is 139460329. The next prime is 139460353. The reversal of 139460342 is 243064931.

It is a junction number, because it is equal to n+sod(n) for n = 139460299 and 139460308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261878 + ... + 262409.

It is an arithmetic number, because the mean of its divisors is an integer number (15728640).

Almost surely, 2^139460342 is an apocalyptic number.

139460342 is a deficient number, since it is larger than the sum of its proper divisors (112197898).

139460342 is a wasteful number, since it uses less digits than its factorization.

139460342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524315.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 139460342 is about 11809.3328346694. The cubic root of 139460342 is about 518.5813675132.

The spelling of 139460342 in words is "one hundred thirty-nine million, four hundred sixty thousand, three hundred forty-two".