1349970190 has 16 divisors (see below), whose sum is σ = 2481648192. Its totient is φ = 528498784.

The previous prime is 1349970173. The next prime is 1349970227. The reversal of 1349970190 is 910799431.

It is a happy number.

It is a super-2 number, since 2×1349970190² = 3644839027777272200, 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 7 ways as a sum of consecutive naturals, for example, 1435669 + ... + 1436608.

It is an arithmetic number, because the mean of its divisors is an integer number (155103012).

Almost surely, 2^1349970190 is an apocalyptic number.

1349970190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1349970190 is a deficient number, since it is larger than the sum of its proper divisors (1131678002).

1349970190 is a wasteful number, since it uses less digits than its factorization.

1349970190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872331.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 1349970190 is about 36741.9404767903. The cubic root of 1349970190 is about 1105.2013146449.

The spelling of 1349970190 in words is "one billion, three hundred forty-nine million, nine hundred seventy thousand, one hundred ninety".