1403520130 has 16 divisors (see below), whose sum is σ = 2526929784. Its totient is φ = 561276160.

The previous prime is 1403520089. The next prime is 1403520137. The reversal of 1403520130 is 310253041.

It can be written as a sum of positive squares in 4 ways, for example, as 1384063209 + 19456921 = 37203^2 + 4411^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1403520098 and 1403520107.

It is not an unprimeable number, because it can be changed into a prime (1403520137) 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, 36234 + ... + 64186.

Almost surely, 2^1403520130 is an apocalyptic number.

1403520130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1403520130 is a deficient number, since it is larger than the sum of its proper divisors (1123409654).

1403520130 is a wasteful number, since it uses less digits than its factorization.

1403520130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32981.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1403520130 is about 37463.5840517161. The cubic root of 1403520130 is about 1119.6257598494.

Adding to 1403520130 its reverse (310253041), we get a palindrome (1713773171).

It can be divided in two parts, 1403520 and 130, that added together give a triangular number (1403650 = T₁₆₇₅).

The spelling of 1403520130 in words is "one billion, four hundred three million, five hundred twenty thousand, one hundred thirty".