156420346112140 has 96 divisors (see below), whose sum is σ = 364197818714688. Its totient is φ = 55958248320000.

The previous prime is 156420346112083. The next prime is 156420346112153. The reversal of 156420346112140 is 41211643024651.

It is a junction number, because it is equal to n+sod(n) for n = 156420346112093 and 156420346112102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18930631 + ... + 25907710.

It is an arithmetic number, because the mean of its divisors is an integer number (3793727278278).

Almost surely, 2^{156420346112140} is an apocalyptic number.

156420346112140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156420346112140 is an abundant number, since it is smaller than the sum of its proper divisors (207777472602548).

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

156420346112140 is a wasteful number, since it uses less digits than its factorization.

156420346112140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44838619 (or 44838617 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

Adding to 156420346112140 its reverse (41211643024651), we get a palindrome (197631989136791).

The spelling of 156420346112140 in words is "one hundred fifty-six trillion, four hundred twenty billion, three hundred forty-six million, one hundred twelve thousand, one hundred forty".