1146261390 has 16 divisors (see below), whose sum is σ = 2751027408. Its totient is φ = 305669696.

The previous prime is 1146261379. The next prime is 1146261433. The reversal of 1146261390 is 931626411.

It is a Curzon number.

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, 19104327 + ... + 19104386.

It is an arithmetic number, because the mean of its divisors is an integer number (171939213).

Almost surely, 2^1146261390 is an apocalyptic number.

1146261390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1146261390 is an abundant number, since it is smaller than the sum of its proper divisors (1604766018).

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

1146261390 is a wasteful number, since it uses less digits than its factorization.

1146261390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38208723.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1146261390 is about 33856.4822449114. The cubic root of 1146261390 is about 1046.5529865355.

The spelling of 1146261390 in words is "one billion, one hundred forty-six million, two hundred sixty-one thousand, three hundred ninety".