1538429074 has 16 divisors (see below), whose sum is σ = 2840177088. Its totient is φ = 608609232.

The previous prime is 1538429041. The next prime is 1538429141. The reversal of 1538429074 is 4709248351.

It is a self number, because there is not a number n which added to its sum of digits gives 1538429074.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4226272 + ... + 4226635.

It is an arithmetic number, because the mean of its divisors is an integer number (177511068).

Almost surely, 2^1538429074 is an apocalyptic number.

1538429074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1538429074 is a deficient number, since it is larger than the sum of its proper divisors (1301748014).

1538429074 is a wasteful number, since it uses less digits than its factorization.

1538429074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8452929.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 1538429074 is about 39222.8131831464. The cubic root of 1538429074 is about 1154.4075530858.

The spelling of 1538429074 in words is "one billion, five hundred thirty-eight million, four hundred twenty-nine thousand, seventy-four".