1540514145132 has 72 divisors (see below), whose sum is σ = 4008823796432. Its totient is φ = 498439267200.

The previous prime is 1540514145109. The next prime is 1540514145197. The reversal of 1540514145132 is 2315414150451.

1540514145132 is a `hidden beast` number, since 1 + 5 + 4 + 0 + 514 + 1 + 4 + 5 + 132 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 812794 + ... + 1934337.

Almost surely, 2^{1540514145132} is an apocalyptic number.

1540514145132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1540514145132 is an abundant number, since it is smaller than the sum of its proper divisors (2468309651300).

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

1540514145132 is a wasteful number, since it uses less digits than its factorization.

1540514145132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747599 (or 2747594 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

Adding to 1540514145132 its reverse (2315414150451), we get a palindrome (3855928295583).

The spelling of 1540514145132 in words is "one trillion, five hundred forty billion, five hundred fourteen million, one hundred forty-five thousand, one hundred thirty-two".