1293513140 has 24 divisors (see below), whose sum is σ = 2742754560. Its totient is φ = 512381088.

The previous prime is 1293513127. The next prime is 1293513149. The reversal of 1293513140 is 413153921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1293513149) 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, 311900 + ... + 316019.

It is an arithmetic number, because the mean of its divisors is an integer number (114281440).

Almost surely, 2^1293513140 is an apocalyptic number.

1293513140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1293513140 is an abundant number, since it is smaller than the sum of its proper divisors (1449241420).

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

1293513140 is a wasteful number, since it uses less digits than its factorization.

1293513140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628031 (or 628029 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1293513140 is about 35965.4436925224. The cubic root of 1293513140 is about 1089.5745442768.

The spelling of 1293513140 in words is "one billion, two hundred ninety-three million, five hundred thirteen thousand, one hundred forty".