103135145440 has 48 divisors (see below), whose sum is σ = 243734581440. Its totient is φ = 41240885760.

The previous prime is 103135145423. The next prime is 103135145453. The reversal of 103135145440 is 44541531301.

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, 407641 + ... + 610279.

It is an arithmetic number, because the mean of its divisors is an integer number (5077803780).

Almost surely, 2^103135145440 is an apocalyptic number.

103135145440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103135145440 is an abundant number, since it is smaller than the sum of its proper divisors (140599436000).

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

103135145440 is a wasteful number, since it uses less digits than its factorization.

103135145440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205835 (or 205827 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 103135145440 its reverse (44541531301), we get a palindrome (147676676741).

The spelling of 103135145440 in words is "one hundred three billion, one hundred thirty-five million, one hundred forty-five thousand, four hundred forty".