1156136086 has 24 divisors (see below), whose sum is σ = 2042889120. Its totient is φ = 489211632.

The previous prime is 1156136083. The next prime is 1156136087. The reversal of 1156136086 is 6806316511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156136083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66925 + ... + 82408.

It is an arithmetic number, because the mean of its divisors is an integer number (85120380).

Almost surely, 2^1156136086 is an apocalyptic number.

1156136086 is a deficient number, since it is larger than the sum of its proper divisors (886753034).

1156136086 is a wasteful number, since it uses less digits than its factorization.

1156136086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149428 (or 149421 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 1156136086 is about 34002.0012058114. The cubic root of 1156136086 is about 1049.5496439022.

The spelling of 1156136086 in words is "one billion, one hundred fifty-six million, one hundred thirty-six thousand, eighty-six".