1301213340 has 72 divisors (see below), whose sum is σ = 4510877280. Its totient is φ = 297419904.

The previous prime is 1301213323. The next prime is 1301213363. The reversal of 1301213340 is 433121031.

1301213340 is a `hidden beast` number, since 1 + 301 + 21 + 3 + 340 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 515095 + ... + 517614.

Almost surely, 2^1301213340 is an apocalyptic number.

1301213340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301213340 is an abundant number, since it is smaller than the sum of its proper divisors (3209663940).

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

1301213340 is a wasteful number, since it uses less digits than its factorization.

1301213340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032731 (or 1032726 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1301213340 is about 36072.3348287853. The cubic root of 1301213340 is about 1091.7323237968.

Adding to 1301213340 its reverse (433121031), we get a palindrome (1734334371).

The spelling of 1301213340 in words is "one billion, three hundred one million, two hundred thirteen thousand, three hundred forty".