139419341 has 4 divisors (see below), whose sum is σ = 140198400. Its totient is φ = 138640284.

The previous prime is 139419337. The next prime is 139419383. The reversal of 139419341 is 143914931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 143914931 = 383 ⋅375757.

It is a cyclic number.

It is not a de Polignac number, because 139419341 - 2² = 139419337 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139479341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389261 + ... + 389618.

It is an arithmetic number, because the mean of its divisors is an integer number (35049600).

Almost surely, 2^139419341 is an apocalyptic number.

It is an amenable number.

139419341 is a deficient number, since it is larger than the sum of its proper divisors (779059).

139419341 is an equidigital number, since it uses as much as digits as its factorization.

139419341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779058.

The product of its digits is 11664, while the sum is 35.

The square root of 139419341 is about 11807.5967495507. The cubic root of 139419341 is about 518.5305419801.

The spelling of 139419341 in words is "one hundred thirty-nine million, four hundred nineteen thousand, three hundred forty-one".