1428190874 has 16 divisors (see below), whose sum is σ = 2342260800. Its totient is φ = 647727360.

The previous prime is 1428190873. The next prime is 1428190901. The reversal of 1428190874 is 4780918241.

It is not an unprimeable number, because it can be changed into a prime (1428190871) 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, 62414 + ... + 82169.

It is an arithmetic number, because the mean of its divisors is an integer number (146391300).

Almost surely, 2^1428190874 is an apocalyptic number.

1428190874 is a deficient number, since it is larger than the sum of its proper divisors (914069926).

1428190874 is a wasteful number, since it uses less digits than its factorization.

1428190874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145045.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 1428190874 is about 37791.4127018295. The cubic root of 1428190874 is about 1126.1478651802.

The spelling of 1428190874 in words is "one billion, four hundred twenty-eight million, one hundred ninety thousand, eight hundred seventy-four".