1230156133340 has 24 divisors (see below), whose sum is σ = 2583365605632. Its totient is φ = 492055267520.

The previous prime is 1230156133337. The next prime is 1230156133379. The reversal of 1230156133340 is 433316510321.

It is a super-2 number, since 2×1230156133340² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1230156133297 and 1230156133306.

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, 1081970 + ... + 1905510.

It is an arithmetic number, because the mean of its divisors is an integer number (107640233568).

Almost surely, 2^{1230156133340} is an apocalyptic number.

1230156133340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230156133340 is an abundant number, since it is smaller than the sum of its proper divisors (1353209472292).

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

1230156133340 is a wasteful number, since it uses less digits than its factorization.

1230156133340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898237 (or 898235 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The spelling of 1230156133340 in words is "one trillion, two hundred thirty billion, one hundred fifty-six million, one hundred thirty-three thousand, three hundred forty".