1342185407 has 2 divisors, whose sum is σ = 1342185408. Its totient is φ = 1342185406.

The previous prime is 1342185391. The next prime is 1342185433. The reversal of 1342185407 is 7045812431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1342185407 - 2⁴ = 1342185391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1342185107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671092703 + 671092704.

It is an arithmetic number, because the mean of its divisors is an integer number (671092704).

Almost surely, 2^1342185407 is an apocalyptic number.

1342185407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342185407 is an equidigital number, since it uses as much as digits as its factorization.

1342185407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 1342185407 is about 36635.8486594756. The cubic root of 1342185407 is about 1103.0727876878.

Adding to 1342185407 its reverse (7045812431), we get a palindrome (8387997838).

The spelling of 1342185407 in words is "one billion, three hundred forty-two million, one hundred eighty-five thousand, four hundred seven".