139490346 has 8 divisors (see below), whose sum is σ = 278980704. Its totient is φ = 46496780.

The previous prime is 139490339. The next prime is 139490353. The reversal of 139490346 is 643094931.

It is an interprime number because it is at equal distance from previous prime (139490339) and next prime (139490353).

It is a sphenic number, since it is the product of 3 distinct primes.

139490346 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11624190 + ... + 11624201.

It is an arithmetic number, because the mean of its divisors is an integer number (34872588).

Almost surely, 2^139490346 is an apocalyptic number.

139490346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

139490346 is a wasteful number, since it uses less digits than its factorization.

139490346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23248396.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 139490346 is about 11810.6031175381. The cubic root of 139490346 is about 518.6185546672.

The spelling of 139490346 in words is "one hundred thirty-nine million, four hundred ninety thousand, three hundred forty-six".