1214155614 has 48 divisors (see below), whose sum is σ = 2829798288. Its totient is φ = 346284288.

The previous prime is 1214155603. The next prime is 1214155619. The reversal of 1214155614 is 4165514121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214155619) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176854 + ... + 183590.

It is an arithmetic number, because the mean of its divisors is an integer number (58954131).

Almost surely, 2^1214155614 is an apocalyptic number.

1214155614 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1214155614, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1414899144).

1214155614 is an abundant number, since it is smaller than the sum of its proper divisors (1615642674).

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

1214155614 is a wasteful number, since it uses less digits than its factorization.

1214155614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7369 (or 7362 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The square root of 1214155614 is about 34844.7358147540. The cubic root of 1214155614 is about 1066.8207413938.

Adding to 1214155614 its reverse (4165514121), we get a palindrome (5379669735).

The spelling of 1214155614 in words is "one billion, two hundred fourteen million, one hundred fifty-five thousand, six hundred fourteen".