1158214290 has 32 divisors (see below), whose sum is σ = 2789557056. Its totient is φ = 307763520.

The previous prime is 1158214261. The next prime is 1158214319. The reversal of 1158214290 is 924128511.

It is an interprime number because it is at equal distance from previous prime (1158214261) and next prime (1158214319).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59721 + ... + 76700.

It is an arithmetic number, because the mean of its divisors is an integer number (87173658).

Almost surely, 2^1158214290 is an apocalyptic number.

1158214290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1158214290 is an abundant number, since it is smaller than the sum of its proper divisors (1631342766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1158214290 is a wasteful number, since it uses less digits than its factorization.

1158214290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136714.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 1158214290 is about 34032.5475097002. The cubic root of 1158214290 is about 1050.1781375768.

The spelling of 1158214290 in words is "one billion, one hundred fifty-eight million, two hundred fourteen thousand, two hundred ninety".