1149629390 has 64 divisors (see below), whose sum is σ = 2680957440. Its totient is φ = 344684160.

The previous prime is 1149629359. The next prime is 1149629399. The reversal of 1149629390 is 939269411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149629399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15956 + ... + 50535.

It is an arithmetic number, because the mean of its divisors is an integer number (41889960).

Almost surely, 2^1149629390 is an apocalyptic number.

1149629390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1149629390 is an abundant number, since it is smaller than the sum of its proper divisors (1531328050).

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

1149629390 is a wasteful number, since it uses less digits than its factorization.

1149629390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66537.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 1149629390 is about 33906.1851289702. The cubic root of 1149629390 is about 1047.5769949272.

The spelling of 1149629390 in words is "one billion, one hundred forty-nine million, six hundred twenty-nine thousand, three hundred ninety".