102140131150542 has 16 divisors (see below), whose sum is σ = 206088052234320. Its totient is φ = 33745412061312.

The previous prime is 102140131150493. The next prime is 102140131150559. The reversal of 102140131150542 is 245051131041201.

102140131150542 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75324579817 + ... + 75324581172.

It is an arithmetic number, because the mean of its divisors is an integer number (12880503264645).

Almost surely, 2^{102140131150542} is an apocalyptic number.

102140131150542 is an abundant number, since it is smaller than the sum of its proper divisors (103947921083778).

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

102140131150542 is a wasteful number, since it uses less digits than its factorization.

102140131150542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150649161107.

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

Adding to 102140131150542 its reverse (245051131041201), we get a palindrome (347191262191743).

The spelling of 102140131150542 in words is "one hundred two trillion, one hundred forty billion, one hundred thirty-one million, one hundred fifty thousand, five hundred forty-two".