1140147527 has 4 divisors (see below), whose sum is σ = 1140216696. Its totient is φ = 1140078360.

The previous prime is 1140147493. The next prime is 1140147539. The reversal of 1140147527 is 7257410411.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7257410411 = 19 ⋅381968969.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1140147527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1140147493 and 1140147502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140147427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6077 + ... + 48137.

It is an arithmetic number, because the mean of its divisors is an integer number (285054174).

Almost surely, 2^1140147527 is an apocalyptic number.

1140147527 is a deficient number, since it is larger than the sum of its proper divisors (69169).

1140147527 is an equidigital number, since it uses as much as digits as its factorization.

1140147527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69168.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 1140147527 is about 33766.0706479152. The cubic root of 1140147527 is about 1044.6889872133.

Adding to 1140147527 its reverse (7257410411), we get a palindrome (8397557938).

The spelling of 1140147527 in words is "one billion, one hundred forty million, one hundred forty-seven thousand, five hundred twenty-seven".