156116140 has 24 divisors (see below), whose sum is σ = 334821312. Its totient is φ = 61117440.

The previous prime is 156116137. The next prime is 156116143. The reversal of 156116140 is 41611651.

It is an interprime number because it is at equal distance from previous prime (156116137) and next prime (156116143).

It is not an unprimeable number, because it can be changed into a prime (156116143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82101 + ... + 83980.

It is an arithmetic number, because the mean of its divisors is an integer number (13950888).

Almost surely, 2^156116140 is an apocalyptic number.

156116140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156116140 is an abundant number, since it is smaller than the sum of its proper divisors (178705172).

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

156116140 is a wasteful number, since it uses less digits than its factorization.

156116140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166137 (or 166135 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 156116140 is about 12494.6444527245. The cubic root of 156116140 is about 538.4548191626.

Adding to 156116140 its reverse (41611651), we get a palindrome (197727791).

The spelling of 156116140 in words is "one hundred fifty-six million, one hundred sixteen thousand, one hundred forty".