1308149090 has 16 divisors (see below), whose sum is σ = 2355084288. Its totient is φ = 523167216.

The previous prime is 1308149057. The next prime is 1308149093. The reversal of 1308149090 is 909418031.

It is a super-2 number, since 2×1308149090² = 3422508083335656200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1308149090.

It is not an unprimeable number, because it can be changed into a prime (1308149093) 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, 92639 + ... + 105821.

It is an arithmetic number, because the mean of its divisors is an integer number (147192768).

Almost surely, 2^1308149090 is an apocalyptic number.

1308149090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1308149090 is a deficient number, since it is larger than the sum of its proper divisors (1046935198).

1308149090 is a wasteful number, since it uses less digits than its factorization.

1308149090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23113.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 1308149090 is about 36168.3437552786. The cubic root of 1308149090 is about 1093.6686111302.

The spelling of 1308149090 in words is "one billion, three hundred eight million, one hundred forty-nine thousand, ninety".