1156135502 has 4 divisors (see below), whose sum is σ = 1734203256. Its totient is φ = 578067750.

The previous prime is 1156135459. The next prime is 1156135517. The reversal of 1156135502 is 2055316511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2055316511 = 41 ⋅50129671.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289033874 + ... + 289033877.

It is an arithmetic number, because the mean of its divisors is an integer number (433550814).

Almost surely, 2^1156135502 is an apocalyptic number.

1156135502 is a deficient number, since it is larger than the sum of its proper divisors (578067754).

1156135502 is an equidigital number, since it uses as much as digits as its factorization.

1156135502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578067753.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 1156135502 is about 34001.9926180805. The cubic root of 1156135502 is about 1049.5494671822.

The spelling of 1156135502 in words is "one billion, one hundred fifty-six million, one hundred thirty-five thousand, five hundred two".