1523535342140 has 48 divisors (see below), whose sum is σ = 3690030590400. Its totient is φ = 517562721792.

The previous prime is 1523535342139. The next prime is 1523535342151. The reversal of 1523535342140 is 412435353251.

It is a super-3 number, since 3×1523535342140³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1523535342094 and 1523535342103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49903985 + ... + 49934504.

It is an arithmetic number, because the mean of its divisors is an integer number (76875637300).

Almost surely, 2^{1523535342140} is an apocalyptic number.

1523535342140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1523535342140 is an abundant number, since it is smaller than the sum of its proper divisors (2166495248260).

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

1523535342140 is a wasteful number, since it uses less digits than its factorization.

1523535342140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99838614 (or 99838612 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 1523535342140 in words is "one trillion, five hundred twenty-three billion, five hundred thirty-five million, three hundred forty-two thousand, one hundred forty".