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135564401214 = 2321117474331979
BaseRepresentation
bin111111001000001000…
…1001001101000111110
3110221220201100010002200
41332100101021220332
54210113441314324
6142135531332330
712536261253264
oct1762021115076
9427821303080
10135564401214
1152546630120
12223342b10a6
13ca25946828
1467c04c8434
1537d6604ec9
hex1f90449a3e

135564401214 has 192 divisors, whose sum is σ = 347467760640. Its totient is φ = 37734543360.

The previous prime is 135564401201. The next prime is 135564401257. The reversal of 135564401214 is 412104465531.

135564401214 is a `hidden beast` number, since 1 + 3 + 5 + 5 + 644 + 0 + 1 + 2 + 1 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 68500477 + ... + 68502455.

It is an arithmetic number, because the mean of its divisors is an integer number (1809727920).

Almost surely, 2135564401214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135564401214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173733880320).

135564401214 is an abundant number, since it is smaller than the sum of its proper divisors (211903359426).

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

135564401214 is a wasteful number, since it uses less digits than its factorization.

135564401214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495 (or 2492 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 135564401214 its reverse (412104465531), we get a palindrome (547668866745).

The spelling of 135564401214 in words is "one hundred thirty-five billion, five hundred sixty-four million, four hundred one thousand, two hundred fourteen".