1315154542140 has 72 divisors (see below), whose sum is σ = 4002129619488. Its totient is φ = 349580184960.

The previous prime is 1315154542129. The next prime is 1315154542189. The reversal of 1315154542140 is 412454515131.

1315154542140 is a `hidden beast` number, since 1 + 3 + 1 + 51 + 54 + 542 + 14 + 0 = 666.

It is a super-2 number, since 2×1315154542140² (a number of 25 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1315154542095 and 1315154542104.

It is a congruent number.

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, 11690667 + ... + 11802626.

It is an arithmetic number, because the mean of its divisors is an integer number (55585133604).

Almost surely, 2^{1315154542140} is an apocalyptic number.

1315154542140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315154542140 is an abundant number, since it is smaller than the sum of its proper divisors (2686975077348).

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

1315154542140 is a wasteful number, since it uses less digits than its factorization.

1315154542140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23493619 (or 23493614 counting only the distinct ones).

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

The spelling of 1315154542140 in words is "one trillion, three hundred fifteen billion, one hundred fifty-four million, five hundred forty-two thousand, one hundred forty".