1131742370 has 128 divisors (see below), whose sum is σ = 2419642368. Its totient is φ = 376992000.

The previous prime is 1131742363. The next prime is 1131742399. The reversal of 1131742370 is 732471311.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10987739 + ... + 10987841.

It is an arithmetic number, because the mean of its divisors is an integer number (18903456).

Almost surely, 2^1131742370 is an apocalyptic number.

1131742370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131742370 is an abundant number, since it is smaller than the sum of its proper divisors (1287899998).

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

1131742370 is a wasteful number, since it uses less digits than its factorization.

1131742370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 1131742370 is about 33641.3788361892. The cubic root of 1131742370 is about 1042.1155070813.

The spelling of 1131742370 in words is "one billion, one hundred thirty-one million, seven hundred forty-two thousand, three hundred seventy".