1340153530 has 32 divisors (see below), whose sum is σ = 2471270400. Its totient is φ = 523091520.

The previous prime is 1340153519. The next prime is 1340153561. The reversal of 1340153530 is 353510431.

It is a super-2 number, since 2×1340153530² = 3592022967942921800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1340153495 and 1340153504.

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, 68821 + ... + 86119.

It is an arithmetic number, because the mean of its divisors is an integer number (77227200).

Almost surely, 2^1340153530 is an apocalyptic number.

1340153530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340153530 is a deficient number, since it is larger than the sum of its proper divisors (1131116870).

1340153530 is a wasteful number, since it uses less digits than its factorization.

1340153530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17494.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1340153530 is about 36608.1074353756. The cubic root of 1340153530 is about 1102.5158750154.

Adding to 1340153530 its reverse (353510431), we get a palindrome (1693663961).

The spelling of 1340153530 in words is "one billion, three hundred forty million, one hundred fifty-three thousand, five hundred thirty".