1542684634 has 8 divisors (see below), whose sum is σ = 2314376640. Its totient is φ = 771225756.

The previous prime is 1542684629. The next prime is 1542684643. The reversal of 1542684634 is 4364862451.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40674 + ... + 68845.

It is an arithmetic number, because the mean of its divisors is an integer number (289297080).

Almost surely, 2^1542684634 is an apocalyptic number.

1542684634 is a deficient number, since it is larger than the sum of its proper divisors (771692006).

1542684634 is a wasteful number, since it uses less digits than its factorization.

1542684634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116564.

The product of its digits is 552960, while the sum is 43.

The square root of 1542684634 is about 39277.0242508263. The cubic root of 1542684634 is about 1155.4710032186.

The spelling of 1542684634 in words is "one billion, five hundred forty-two million, six hundred eighty-four thousand, six hundred thirty-four".