1365697140 has 48 divisors (see below), whose sum is σ = 3876347328. Its totient is φ = 359195904.

The previous prime is 1365697133. The next prime is 1365697153. The reversal of 1365697140 is 417965631.

It is a junction number, because it is equal to n+sod(n) for n = 1365697092 and 1365697101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151522 + ... + 160281.

It is an arithmetic number, because the mean of its divisors is an integer number (80757236).

Almost surely, 2^1365697140 is an apocalyptic number.

1365697140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1365697140 is an abundant number, since it is smaller than the sum of its proper divisors (2510650188).

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

1365697140 is a wasteful number, since it uses less digits than its factorization.

1365697140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311888 (or 311886 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 1365697140 is about 36955.3398036062. The cubic root of 1365697140 is about 1109.4765651534.

The spelling of 1365697140 in words is "one billion, three hundred sixty-five million, six hundred ninety-seven thousand, one hundred forty".