13552139520 has 432 divisors, whose sum is σ = 48365291520. Its totient is φ = 3502227456.

The previous prime is 13552139501. The next prime is 13552139533. The reversal of 13552139520 is 2593125531.

13552139520 is a `hidden beast` number, since 1 + 3 + 552 + 13 + 95 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86319282 + ... + 86319438.

Almost surely, 2^13552139520 is an apocalyptic number.

13552139520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13552139520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24182645760).

13552139520 is an abundant number, since it is smaller than the sum of its proper divisors (34813152000).

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

13552139520 is a wasteful number, since it uses less digits than its factorization.

13552139520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The spelling of 13552139520 in words is "thirteen billion, five hundred fifty-two million, one hundred thirty-nine thousand, five hundred twenty".