136028431250 has 72 divisors (see below), whose sum is σ = 257578209252. Its totient is φ = 53874500000.

The previous prime is 136028431249. The next prime is 136028431267. The reversal of 136028431250 is 52134820631.

It can be written as a sum of positive squares in 6 ways, for example, as 43490182849 + 92538248401 = 208543^2 + 304201^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 136028431250.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 71555300 + ... + 71557200.

Almost surely, 2^136028431250 is an apocalyptic number.

136028431250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136028431250 is a deficient number, since it is larger than the sum of its proper divisors (121549778002).

136028431250 is an frugal number, since it uses more digits than its factorization.

136028431250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142 (or 2015 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 136028431250 in words is "one hundred thirty-six billion, twenty-eight million, four hundred thirty-one thousand, two hundred fifty".