1408128634 has 16 divisors (see below), whose sum is σ = 2305436256. Its totient is φ = 639718000.

The previous prime is 1408128619. The next prime is 1408128661. The reversal of 1408128634 is 4368218041.

It is a junction number, because it is equal to n+sod(n) for n = 1408128593 and 1408128602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27909 + ... + 59959.

It is an arithmetic number, because the mean of its divisors is an integer number (144089766).

Almost surely, 2^1408128634 is an apocalyptic number.

1408128634 is a deficient number, since it is larger than the sum of its proper divisors (897307622).

1408128634 is a wasteful number, since it uses less digits than its factorization.

1408128634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34061.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 1408128634 is about 37525.0400932497. The cubic root of 1408128634 is about 1120.8498635644.

The spelling of 1408128634 in words is "one billion, four hundred eight million, one hundred twenty-eight thousand, six hundred thirty-four".