1313170146 has 12 divisors (see below), whose sum is σ = 2845202022. Its totient is φ = 437723376.

The previous prime is 1313170129. The next prime is 1313170147. The reversal of 1313170146 is 6410713131.

It can be written as a sum of positive squares in only one way, i.e., 702833121 + 610337025 = 26511^2 + 24705^2 .

It is a super-2 number, since 2×1313170146² = 3448831664691322632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1313170147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36476931 + ... + 36476966.

Almost surely, 2^1313170146 is an apocalyptic number.

1313170146 is an abundant number, since it is smaller than the sum of its proper divisors (1532031876).

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

1313170146 is a wasteful number, since it uses less digits than its factorization.

1313170146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72953905 (or 72953902 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1313170146 is about 36237.6895786693. The cubic root of 1313170146 is about 1095.0660972173.

Adding to 1313170146 its reverse (6410713131), we get a palindrome (7723883277).

It can be divided in two parts, 1313170 and 146, that added together give a square (1313316 = 1146²).

The spelling of 1313170146 in words is "one billion, three hundred thirteen million, one hundred seventy thousand, one hundred forty-six".