1140154154 has 4 divisors (see below), whose sum is σ = 1710231234. Its totient is φ = 570077076.

The previous prime is 1140154133. The next prime is 1140154163. The reversal of 1140154154 is 4514510411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1026241225 + 113912929 = 32035^2 + 10673^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285038537 + ... + 285038540.

Almost surely, 2^1140154154 is an apocalyptic number.

1140154154 is a deficient number, since it is larger than the sum of its proper divisors (570077080).

1140154154 is an equidigital number, since it uses as much as digits as its factorization.

1140154154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570077079.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 1140154154 is about 33766.1687788236. The cubic root of 1140154154 is about 1044.6910112615.

Adding to 1140154154 its reverse (4514510411), we get a palindrome (5654664565).

The spelling of 1140154154 in words is "one billion, one hundred forty million, one hundred fifty-four thousand, one hundred fifty-four".