1340527620 has 24 divisors (see below), whose sum is σ = 3753477504. Its totient is φ = 357474016.

The previous prime is 1340527619. The next prime is 1340527621. The reversal of 1340527620 is 267250431.

It is an interprime number because it is at equal distance from previous prime (1340527619) and next prime (1340527621).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1340527621) 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, 11171004 + ... + 11171123.

It is an arithmetic number, because the mean of its divisors is an integer number (156394896).

Almost surely, 2^1340527620 is an apocalyptic number.

1340527620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340527620 is an abundant number, since it is smaller than the sum of its proper divisors (2412949884).

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

1340527620 is a wasteful number, since it uses less digits than its factorization.

1340527620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22342139 (or 22342137 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 1340527620 is about 36613.2164661888. The cubic root of 1340527620 is about 1102.6184507737.

The spelling of 1340527620 in words is "one billion, three hundred forty million, five hundred twenty-seven thousand, six hundred twenty".