1213773134 has 32 divisors (see below), whose sum is σ = 2189030400. Its totient is φ = 493728480.

The previous prime is 1213773131. The next prime is 1213773137. The reversal of 1213773134 is 4313773121.

It is an interprime number because it is at equal distance from previous prime (1213773131) and next prime (1213773137).

It is a self number, because there is not a number n which added to its sum of digits gives 1213773134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213773131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1382 + ... + 49289.

It is an arithmetic number, because the mean of its divisors is an integer number (68407200).

Almost surely, 2^1213773134 is an apocalyptic number.

1213773134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1213773134 is a deficient number, since it is larger than the sum of its proper divisors (975257266).

1213773134 is a wasteful number, since it uses less digits than its factorization.

1213773134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50768.

The product of its digits is 10584, while the sum is 32.

The square root of 1213773134 is about 34839.2470354915. The cubic root of 1213773134 is about 1066.7087073057.

The spelling of 1213773134 in words is "one billion, two hundred thirteen million, seven hundred seventy-three thousand, one hundred thirty-four".