1405429682 has 8 divisors (see below), whose sum is σ = 2165121516. Its totient is φ = 683722512.

The previous prime is 1405429643. The next prime is 1405429687. The reversal of 1405429682 is 2869245041.

It can be written as a sum of positive squares in 2 ways, for example, as 1403176681 + 2253001 = 37459^2 + 1501^2 .

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

It is a super-2 number, since 2×1405429682² = 3950465182093242248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1405429687) 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, 9496073 + ... + 9496220.

Almost surely, 2^1405429682 is an apocalyptic number.

1405429682 is a deficient number, since it is larger than the sum of its proper divisors (759691834).

1405429682 is a wasteful number, since it uses less digits than its factorization.

1405429682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18992332.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 1405429682 is about 37489.0608311278. The cubic root of 1405429682 is about 1120.1332967414.

The spelling of 1405429682 in words is "one billion, four hundred five million, four hundred twenty-nine thousand, six hundred eighty-two".