1405671342 has 16 divisors (see below), whose sum is σ = 2858993280. Its totient is φ = 460615352.

The previous prime is 1405671341. The next prime is 1405671359. The reversal of 1405671342 is 2431765041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405671341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1985058 + ... + 1985765.

It is an arithmetic number, because the mean of its divisors is an integer number (178687080).

Almost surely, 2^1405671342 is an apocalyptic number.

1405671342 is an abundant number, since it is smaller than the sum of its proper divisors (1453321938).

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

1405671342 is a wasteful number, since it uses less digits than its factorization.

1405671342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3970887.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 1405671342 is about 37492.2837661298. The cubic root of 1405671342 is about 1120.1974944034.

The spelling of 1405671342 in words is "one billion, four hundred five million, six hundred seventy-one thousand, three hundred forty-two".