1148709142 has 32 divisors (see below), whose sum is σ = 2114449920. Its totient is φ = 456812160.

The previous prime is 1148709131. The next prime is 1148709143. The reversal of 1148709142 is 2419078411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148709143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17092 + ... + 50887.

It is an arithmetic number, because the mean of its divisors is an integer number (66076560).

Almost surely, 2^1148709142 is an apocalyptic number.

1148709142 is a deficient number, since it is larger than the sum of its proper divisors (965740778).

1148709142 is a wasteful number, since it uses less digits than its factorization.

1148709142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68076.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 1148709142 is about 33892.6119087922. The cubic root of 1148709142 is about 1047.2974010614.

The spelling of 1148709142 in words is "one billion, one hundred forty-eight million, seven hundred nine thousand, one hundred forty-two".