1141431154 has 8 divisors (see below), whose sum is σ = 1716618240. Its totient is φ = 569225076.

The previous prime is 1141431131. The next prime is 1141431163. The reversal of 1141431154 is 4511341411.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 744294 + ... + 745825.

It is an arithmetic number, because the mean of its divisors is an integer number (214577280).

Almost surely, 2^1141431154 is an apocalyptic number.

1141431154 is a deficient number, since it is larger than the sum of its proper divisors (575187086).

1141431154 is a wasteful number, since it uses less digits than its factorization.

1141431154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490504.

The product of its digits is 960, while the sum is 25.

The square root of 1141431154 is about 33785.0729464952. The cubic root of 1141431154 is about 1045.0808920692.

Adding to 1141431154 its reverse (4511341411), we get a palindrome (5652772565).

The spelling of 1141431154 in words is "one billion, one hundred forty-one million, four hundred thirty-one thousand, one hundred fifty-four".