1342402019 has 4 divisors (see below), whose sum is σ = 1534173744. Its totient is φ = 1150630296.

The previous prime is 1342402013. The next prime is 1342402027. The reversal of 1342402019 is 9102042431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9102042431 = 8081 ⋅1126351.

It is a cyclic number.

It is not a de Polignac number, because 1342402019 - 2⁸ = 1342401763 is a prime.

It is a super-2 number, since 2×1342402019² = 3604086361230552722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1342402013) 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, 95885852 + ... + 95885865.

It is an arithmetic number, because the mean of its divisors is an integer number (383543436).

Almost surely, 2^1342402019 is an apocalyptic number.

1342402019 is a deficient number, since it is larger than the sum of its proper divisors (191771725).

1342402019 is an equidigital number, since it uses as much as digits as its factorization.

1342402019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191771724.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1342402019 is about 36638.8048249394. The cubic root of 1342402019 is about 1103.1321252301.

The spelling of 1342402019 in words is "one billion, three hundred forty-two million, four hundred two thousand, nineteen".