1309623102 has 12 divisors (see below), whose sum is σ = 2837516760. Its totient is φ = 436541028.

The previous prime is 1309623079. The next prime is 1309623121. The reversal of 1309623102 is 2013269031.

1309623102 is a `hidden beast` number, since 1 + 30 + 9 + 623 + 1 + 0 + 2 = 666.

It is a super-2 number, since 2×1309623102² = 3430225338584204808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36378402 + ... + 36378437.

It is an arithmetic number, because the mean of its divisors is an integer number (236459730).

Almost surely, 2^1309623102 is an apocalyptic number.

1309623102 is an abundant number, since it is smaller than the sum of its proper divisors (1527893658).

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

1309623102 is a wasteful number, since it uses less digits than its factorization.

1309623102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72756847 (or 72756844 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1309623102 is about 36188.7151194955. The cubic root of 1309623102 is about 1094.0792359727.

The spelling of 1309623102 in words is "one billion, three hundred nine million, six hundred twenty-three thousand, one hundred two".