1151366740 has 24 divisors (see below), whose sum is σ = 2483219592. Its totient is φ = 448099200.

The previous prime is 1151366719. The next prime is 1151366761. The reversal of 1151366740 is 476631511.

It is an interprime number because it is at equal distance from previous prime (1151366719) and next prime (1151366761).

It can be written as a sum of positive squares in 4 ways, for example, as 217208644 + 934158096 = 14738^2 + 30564^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1151366696 and 1151366705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 777211 + ... + 778690.

It is an arithmetic number, because the mean of its divisors is an integer number (103467483).

Almost surely, 2^1151366740 is an apocalyptic number.

1151366740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151366740 is an abundant number, since it is smaller than the sum of its proper divisors (1331852852).

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

1151366740 is a wasteful number, since it uses less digits than its factorization.

1151366740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555947 (or 1555945 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1151366740 is about 33931.7954137414. The cubic root of 1151366740 is about 1048.1044379050.

The spelling of 1151366740 in words is "one billion, one hundred fifty-one million, three hundred sixty-six thousand, seven hundred forty".