1340153526 has 8 divisors (see below), whose sum is σ = 2680307064. Its totient is φ = 446717840.

The previous prime is 1340153519. The next prime is 1340153561. The reversal of 1340153526 is 6253510431.

It is a sphenic number, since it is the product of 3 distinct primes.

1340153526 is an admirable number.

It is a super-2 number, since 2×1340153526² = 3592022946500465352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1340153493 and 1340153502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111679455 + ... + 111679466.

It is an arithmetic number, because the mean of its divisors is an integer number (335038383).

Almost surely, 2^1340153526 is an apocalyptic number.

1340153526 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1340153526 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 1340153526 = (3411655023)₉.

1340153526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223358926.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1340153526 is about 36608.1073807429. The cubic root of 1340153526 is about 1102.5158739185.

Adding to 1340153526 its reverse (6253510431), we get a palindrome (7593663957).

The spelling of 1340153526 in words is "one billion, three hundred forty million, one hundred fifty-three thousand, five hundred twenty-six".