1140623146 has 16 divisors (see below), whose sum is σ = 1850817024. Its totient is φ = 524078064.

The previous prime is 1140623129. The next prime is 1140623147. The reversal of 1140623146 is 6413260411.

It is a super-2 number, since 2×1140623146² = 2602042322381874632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1140623147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92566 + ... + 104161.

It is an arithmetic number, because the mean of its divisors is an integer number (115676064).

Almost surely, 2^1140623146 is an apocalyptic number.

1140623146 is a deficient number, since it is larger than the sum of its proper divisors (710193878).

1140623146 is a wasteful number, since it uses less digits than its factorization.

1140623146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196965.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1140623146 is about 33773.1127674072. The cubic root of 1140623146 is about 1044.8342329949.

Adding to 1140623146 its reverse (6413260411), we get a palindrome (7553883557).

The spelling of 1140623146 in words is "one billion, one hundred forty million, six hundred twenty-three thousand, one hundred forty-six".