130888249542 has 64 divisors (see below), whose sum is σ = 296936280000. Its totient is φ = 42721645824.

The previous prime is 130888249523. The next prime is 130888249543. The reversal of 130888249542 is 245942888031.

130888249542 is a `hidden beast` number, since 1 + 30 + 8 + 8 + 82 + 495 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130888249543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1411834 + ... + 1501682.

It is an arithmetic number, because the mean of its divisors is an integer number (4639629375).

Almost surely, 2^130888249542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130888249542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148468140000).

130888249542 is an abundant number, since it is smaller than the sum of its proper divisors (166048030458).

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

130888249542 is a wasteful number, since it uses less digits than its factorization.

130888249542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90422 (or 90416 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 130888249542 in words is "one hundred thirty billion, eight hundred eighty-eight million, two hundred forty-nine thousand, five hundred forty-two".